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OpenStudy (kimberly101):
Use equations to solve the following questions At a certain store, a football costs $15 more than a basketball. If 3 basketballs and 2 footballs cost a total of $115, find the cost of each ball.
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OpenStudy (zzr0ck3r):
f = b + 15 3b+2f = 115
OpenStudy (zzr0ck3r):
you got it from there?
OpenStudy (zzr0ck3r):
-3b +3f = 45 3b + 2f = 115
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