SOLUTION: If it take 13 hours to assemble 15 widgets how long with it take to assemble 10 widgets ?

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Question 1101124: If it take 13 hours to assemble 15 widgets how long with it take to assemble 10 widgets ?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
13%2A%282%2F3%29

Simple Proportion is the most you need.
Rate is 15%2F13widgets%2Fhours.

How Many in 10 hours?
15%2F13=10%2Fx

x%2F10=13%2F15

x=10%2813%2F15%29

x=%282%2A13%29%2F3