Big Ideas Math: Modeling Real Life, Grade 6
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Big Ideas Math: Modeling Real Life, Grade 6 View details
Chapter Review
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Exercise 34 Page 336

Start by drawing a bar diagram to represent the given situation.

C

Practice makes perfect

We are asked to find how many gallons of water there are in the pool. We know that the pool holds 660 000 gallons of water and is only 63 % full. Let's start by drawing a bar diagram to represent the given situation.

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Now we can use the bar diagram to write two equivalent ratios. 63/100=x/660 000 Note that we got an equation that we can solve for x. To do so, we will use the Multiplication Property of Equality.
63/100=x/660 000
63/100* 660 000=x/660 000* 660 000
63/100* 660 000=x
0.63* 660 000=x
415 800=x
x=415 800
We got that x=415 800. This means that there are 415 800 gallons of water in the pool and the correct option is C.</premium>