Question

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?

Answer 1

Answer:

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.

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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