It takes Mike 18 minutes to finish reading 4 pages of a book. How long does it take for him to finish reading 30 pages?
Raymond B.
answered 10/07/20
Math, microeconomics or criminal justice
18/4 = x/30, solve for x
simplify
9/2 = x/30
cross multiply
2x = 270
divide by 2
x = 135 minutes or 2 1/4 hours
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