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The gym has a total of 25 treadmills and stationary bikes. There are 7 more stationary bikes than treadmills.

a. Write a system of linear equations that represents the situation.

b. How many treadmills are in the gym?

c. How many stationary bikes are in the gym?



Answer :

Since3122015
[tex]t+b=25\\b=t+7\\\\t+(t+7)=25\\2t+7=25\\2t=18\\t=9\\\\b=(9)+7\\b=16[/tex]

9 treadmills and 16 stationary bikes.

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