SOLUTION: I am trying to help my son to figure out how to set up and solve the following types of problems: page 300 4. 15 is what percent of 60 5. 30 is 60% of what number

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Question 70606This question is from textbook Pre-Algebra
: I am trying to help my son to figure out how to set up and solve the following types of problems:
page 300
4. 15 is what percent of 60
5. 30 is 60% of what number
This question is from textbook Pre-Algebra

Answer by stanbon(48545) About Me  (Show Source):
You can put this solution on YOUR website!
4. 15 is what percent of 60
Let x be the percent.
x=15/60=0.25=25/100 = 25%



5. 30 is 60% of what number
30=60%(x)
30=0.60x
x=30/0.6
x=50
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Cheers,
Stan H.