Question

lesson 5 adding & subtracting calories (schoology)
9 of 10
calories used per hour
activity calories activity calories
sitting in class 100 making beds 175
studying 105 washing dishes 180
eating 125 playing table tennis 230
typing 140 lifting weights 500
lying down 75 standing 125
slow walking 225 fast walking 300
biking 900 jogging 550
which activity did you do if you used 1500 calories in 3 hours?
jogging
lifting weights
biking
sitting in class

Explanation:

Step1: Calculate calories per hour

We know the total calories used is 1500 in 3 hours. To find calories per hour, we divide total calories by number of hours. So, $\frac{1500}{3}=500$ calories per hour.

Answer:

Lifting weights