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McGraw Hill Integrated II, 2012

MH

McGraw Hill Integrated II, 2012 View details

2. Solving Quadratic Equations by Graphing

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Exercise 47 Page 110

Find the ratio of Adrahan's score to the maximum score one can earn.

A

Practice makes perfect

Let's start by writing the ratio of Adrahan's score to the maximum score one can earn. Adrahan's score/Maximum score = 50/80We need to multiply this fraction by 100 so that it represents percentage. 50/80 * 100 Let's calculate it.

50/80 * 100

Multiply

5000/80

Calculate quotient

62.5

Hence, Adrahan earned 62.5 % of the scores. The answer is A.

Subchapter links

Exercises p.108-110