# Help with algebra word problems after school care and homework help

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On to Systems of Linear Equation and Word Problems – you are ready! For 72 tourists, the cost is \(\displaystyle 1000\times \left\lceil {\frac{{72}}{{10}}} \right\rceil =1000\times \left\lceil {7.2} \right\rceil =1000\times 8=\$8000\). But... he wants the amount in his account to be at least $200 which means $200 or greater. Your web browser is not properly configured to practice on IXL. A train and a car start at the same place. We have to multiply both numbers by the same thing to keep the ratio the same – try this with some numbers to see this. Converting repeating decimal to fraction problems can be easily solved with a little trick; we have to set it up as a subtraction, sociology homework help online so the repeating part of the decimal is gone. Example: number of girls to total people can be represented by \(\displaystyle \frac{{\text{girls}}}{{\text{total}}}\). The rates of the train and car are 40 and 60, respectively. There are actually a couple of different ways to do this type of problem. The rule of thumb is to multiply the repeating decimal by a multiple of 10 so we get the repeating digit(s) just to the left of the decimal point, essay pay and then multiply the repeating digit again by a multiple of 10 so we get repeating digit(s) just to the right of the decimal. Trick your friends with these problems! Step 2: Identify your variable. What don't you know? Notice that 22 hours works, since the problems asked for “at least”. If the product of a number and –7 is reduced by 3, the resulting number is 33 less than twice the opposite of that number. Let \(J=\) the number of pounds of jelly candy that is used in the mixture.

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In one hour, the train and the car will be 100 miles apart. We will see later that this is like a Slope that we’ll learn about in the Coordinate System and Graphing Lines including Inequalities section. Now let’s do some problems that use some of the translations above. Again, you can always add distances; look at them separately first, and then you can put them together to equal the total distance (100). Note that most of these word problems can also be solved with Algebraic Linear Systems, does listening to music while doing homework help you concentrate here in the Systems of Linear Equations section. One ounce of solution Y contains ingredients a and b in a ratio of 1:2. The three consecutive numbers are 29, 30, and 31. Step 5: Justify (prove your answer mathematically). Step 1: Highlight the important information in this problem. The words “is less than” means we should use “\(<\)” in the problem; it’s an inequality. Write an equation that models this situation. But what if you had 14? You’d have 10 boys and 4 girls, since 10 is 5 times 2, and 4 is 2 times 2. How are you with solving word problems in Algebra? So if you had only 7 in your class, you’d have 5 boys and 2 girls. For example, if you had test 1 (say, an 89) counting 20% of your grade, test 2 (say, an 80) counting 40% of your grade, and test 3 (say, a 78) counting 40% of your grade, you will take the weighted average as in the formula below.

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Now we have 6 test grades that will count towards our semester grade: 4 regular tests and 2 test grades that will be what you get on the final (since it counts twice, pay for your coursework we need to add it 2 times). Suppose Briley has 10 coins in quarters and dimes and has a total of $1.45. I'd love to hear about them if you do! Solve the inequality and graph the results. We’ll also use inequalities a lot in the Introduction to Linear Programming section. Let's look at an example of an algebra word problem. Note: No more than are key words that note that this problem must be written as an inequality. Note that there’s an example of a Parametric Distance Problem here in the Parametric Equations section. It’s not that bad though – let’s first define a variable by looking at what the problem is asking. The bill for m minutes is $21.20. This isn’t necessarily the answer to the problem!) But I knew the sum of the two numbers had to be 18, riverside county library homework help so do you see how you’d take 10 and subtract it from 18 to get the other number? I promise to make this as easy as possible. Ok... let's put it into action and look at our examples. You are saving $7 per week and your sister is saving $5 per week.

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We need to set up a proportion with the same things on top or on bottom; our ratios will have “boys” on top and “total in class” on bottom. Let \(x=\) the number of programs that Hannah bought. She must also study 10 more hours than what’s she’s tutoring, so she can keep up her grades in the program. Twice the opposite of 6 is –12, science homework help and answers and 33 less than –12 is \(-12-33=-45\). There’s another common way to handle these types of problems, but this way can be a little trickier since the variable in the equation is not what the problem is asking for; we will make the variable a “multiplier” for the ratio. Let’s think about this by using some real numbers. Example: if you drive 50 miles per hour, how many miles will you drive in 5 hours: 250 miles. Any more than 12 weeks and his account balance would be less than $200. Any number of weeks less than 12 and his account would stay above $200. We don’t need to worry about “\(n\)” being the smaller number (instead of “\(18-n\)”); the problem will just work out this way! How many minutes were charged on this bill?

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What is the cost of hiring tour guides, as a function of the number of tourists who go on the tour?