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Pearson Algebra 1 Common Core, 2011
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Pearson Algebra 1 Common Core, 2011 View details
9. Percents
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Exercise 40 Page 142

Think about 200 % of a number as two times that number.

60

Practice makes perfect
To mentally calculate 200 % of what number equals 120, think about 200 % of a number as two times this number.

200 % of number = 2 * number Now, it means that if we divide 120 by 2 we get the original number. 120=2* number → number=60 Therefore, 120 is 200 % of 60.

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arrow_right Lesson Check p.141
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arrow_right Practice and Problem-Solving Exercises p.141-143
Practice and Problem-Solving Exercises 9 (Page 141)
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