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OpenStudy (anonymous):
Sharmi ran 3 miles in 21 minutes. How long would it take her to run 5 miles? 12 minutes 27 minutes 35 minutes 42 minutes
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OpenStudy (anonymous):
do the same thing, that u did in the last problem, 3*7=21. What is 5*7?
OpenStudy (zpupster):
set up ratio 3/21 and 5/? cross multiply. 3?=5(21) 105/3 35
OpenStudy (anonymous):
either way u do it, the answer is 35.
OpenStudy (zpupster):
you bet
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