Mathematics, 03.11.2020 16:20 Kjkaiman9034
When Lisa first started exercising, she could exercise for only 8 minutes. Yesterday, she exercised for 15 minutes. Which of the following proportions could be used to determine the percent increase in Lisa's time?
A. x/100 = 8/7
B. 8/x = 7/100
C. 100/x = 7/8
D. x/100 = 7/8
Answers: 2
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When Lisa first started exercising, she could exercise for only 8 minutes. Yesterday, she exercised...
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