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McGraw Hill Integrated II, 2012

MH

McGraw Hill Integrated II, 2012 View details

1. Ratios and Proportions

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Exercise 12 Page 546

Make sure you give the simplest form of the ratio.

2:3

Practice makes perfect

A ratio is a comparison of two quantities by division. We can write a ratio of two numbers a and b, where b ≠ 0, in three ways. a/b a : b a to b We are given the following measurements. Number of sports games:& 40 Number of all video games:& 60 We want to find the ratio of sports games to the number of all video games in the store. 40/60 Finally, we can write the ratio as a fraction in simplest form.

40/60

SplitIntoFactors

Split into factors

2 * 20/3 * 20

Simplify quotient

2/3

We can write this simplified ratio in any of the three ways. 2/3 2:3 2to3

Subchapter links

Exercises p.546-549