Question

The amount of calories Cheri burns varies directly with the number of minutes she rides the bicycle. She burns an average of 120 calories if she rides the bicycle 40 minutes. How many calories can she predict she will burn if she rides the bicycle 90 minutes?

Answer 1

270 calories

Step-by-step explanation:

each 10 minutes = 30 so 40=120 90=40 + 40 + 10 so its 40 + 40 + 40 + 40 + 30 , for the extra 10 minutes u add 30