I have two questions that are based on the following chart:
Activity Cal/h
Bicycling 6mi/h 240
Bicycling 12 mi/h 410
Cross country sking 700
Jogging 5 1/2 mi/h 740
Jumping rope 650
Running 10 mi/h 1,280
Swimming 25 yd/min 275
Swimming 50 yd/min 500
Tennis (singles) 400
Walking 2 mi/h 240
walking 3mi/h 320
walking 4 1/2 mi/h 440
1. At what rate would a 120lb person burn calories while bicycling at 12 mi/h?
2.At what rate would a 180lb person burn calories while bicycling at 12 mi/h?
I just don't understand how to set up the problems so I can find the answer. I don't want the answer just how to set up the problems so that I can figure out the answer for myself. Thanks for helping!
To find the rate at which a person would burn calories while bicycling at 12 mi/h, you can use the information given in the chart. The calories burned per hour for bicycling at a specific speed are provided.
1. To find the rate for a 120lb person:
First, locate the entry for "Bicycling 12 mi/h" in the chart, which is 410 calories burned per hour. This means that a person would burn 410 calories if they biked at 12 mi/h for one hour.
To find the rate per minute, divide the calories burned per hour by 60 (the number of minutes in an hour):
Rate = 410 calories / 60 minutes ≈ 6.83 calories per minute
2. To find the rate for a 180lb person:
The rate at which a person burns calories while bicycling at a specific speed is influenced by their weight. In this case, we need to account for the weight difference between a 120lb person and a 180lb person.
First, determine the ratio of their weights:
Weight ratio = 180 lbs / 120 lbs = 3/2
Next, multiply the rate calculated in step 1 (6.83 calories per minute) by the weight ratio:
Rate = 6.83 calories per minute × (3/2) = 10.25 calories per minute
So, a 180lb person would burn calories at a rate of approximately 10.25 calories per minute while bicycling at 12 mi/h.
Remember, these calculations are purely illustrative. Always consult a professional or reliable source for accurate and individualized information on calorie burns.