Mathematics, 14.01.2021 02:50 shiyaharper
You have 40 minutes to exercise at the gym and want to use both the stair machine and the stationary bike. Using the stair machine burns 5 calories per minute and using the stationary bike burns 6 calories per minute. How many minutes should you spend on each machine so that you burn 225 calories?
Answers: 2
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You have 40 minutes to exercise at the gym and want to use both the stair machine and the stationary...
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