Mathematics, 30.06.2019 18:00 jadajohnson14

You have 40 minutes to exercise at the gym, and you want to burn 300 calories total using both machines. if one machiene burns 8 calories a minute and the other burns 6 calories a minute, how much time should you spend on each machine? keep in mind that you have to spend an even amount of minutes at each mechiene.

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You have 40 minutes to exercise at the gym, and you want to burn 300 calories total using both machi...