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A corner store sells two kinds of baked goods. Cakes and pies. Cakes costs $5 and pie cost $7. They sold 15 baked goods for 91$. How many cakes didthey sell?
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A corner store sells two kinds of baked goods. Cakes and pies. Cakes costs $5 and pie cost $7. They sold 15 baked goods for 91$. How many cakes didthey sell?

User Safex
by
8.0k points

1 Answer

2 votes
Cake=x
Pie=y

x+y=15
5x+7y=91

(x+y=15)-7
5x+7y=91

-7x+(-7y)=-105
5x+7y=91

-2x=-14
x=7

They sold 7 cakes
User FlyingLizard
by
8.1k points
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