Problema Solution
A work out that combines aerobics and weight training burns a total of 374 calories. If doing aerobics burns 12/5 as many calories as weight training, how much does each activity burn?
Answer provided by our tutors
let
a = the number of calories aerobic burns
w = the number of calories wight training burns
a work out that combines aerobics and weight training burns a total of 374 calories
a + w = 374
aerobics burns 12/5 as many calories as weight training
a = (12/5)*w
by solving the system of equations
a + w = 374
a = (12/5)*w
we find
a = 264 cal
w = 110 cal
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