The number of calories burned while jogging varies directly with the number of minutes spent jogging. If George burns 150 cal by jogging for 20 minutes, how many calories does he burn by jogging for 30 minutes?

Question

Mathematics

Anahi Jacobs

27 July, 08:06

The number of calories burned while jogging varies directly with the number of minutes spent jogging. If George burns 150 cal by jogging for 20 minutes, how many calories does he burn by jogging for 30 minutes?

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Answers (2)

Know the Answer?

Mike Mckenzie · Answer 1

225

Step-by-step explanation:

he burns 75 calories every 10 minutes if you do 20/2 and 150/2, just do

75 x 3.

Xavier Chen · Answer 2

Answer: 225

Step-by-step explanation: C = kT where C is the number of calories burned off, T is the time in minutes and k is a fixed number constant

150 = k (20)

k = 150/20 = 15/2

So C = (15/2) t

When t=30, C = (15/2) (30) = 15*15 = 225

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