The table below shows the number of calories used per minute as a function of an individual’s body weight for three sports:
Activity
100 lb
120 lb
150 lb
170 lb
200 lb
220 lb
Walking
2.7
3.2
4
4.6
5.4
5.9
Bicycling
5.4
6.5
8.1
9.2
10.8
11.9
Swimming
5.8
6.9
8.7
9.8
11.6
12.7
Determine the number of calories that a 200 lb person uses in one half-hour of walking. If you need to enter something in calories, type
cal
.
Who uses more calories, a 170 lb person swimming for one hour, or a 220 lb person bicycling for a half-hour?
The 170 lb person swimming for one hour
The 220 lb person bicycling for a half-hour
They both use the same amount of calories
Does the number of calories of a person walking increase or decrease as weight increases?
Increase
Decrease