SOLUTION: 1. The readout on an epllact machine shows that a person burned 320 calories during a 20 minute workout. How many calories will he burn during a 40 minute workout? simplfy the a

Question 1003457: 1. The readout on an epllact machine shows that a person burned 320 calories during a 20 minute workout. How many calories will he burn during a 40 minute workout?
simplfy the answer pls
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
If calories are burned at the same rate, then we can look at the proportion

and if we double the time, we double the calories burned...or
640 calories
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