madison1025
madison1025
02-11-2018
Mathematics
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itsjustme13
itsjustme13
03-11-2018
a) t + s = 25 machines
t + 7 = s
b) t + (t + 7) = 25
2t + 7 = 25
2t = 18
t = 9 treadmills
c) 25 machines - 9 treadmills = 16 bikes
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