Question

A corner store sells two kinds of baked goods: cakes and pies. A cake costs $5 and a pie costs $7. In one day, the store sold 15 baked goods for a total of $91. How many cakes did they sell?
A. 7 cakes
B. 4 cakes
C. 8 cakes
D. 5 cakes

Answer 1

i know it is not (C)

Answer 2

i think (A)

Answer 3

c+p=15
5c+7p=91

Answer 4

so it is (A) right

Answer 5

@eliassaab @hartnn

Answer 6

could u solve those two equations??

Answer 7

no

Answer 8

multiply 5 to 1st equation and subtract it from 2nd,then tell me what u get.

Answer 9

X what ?

Answer 10

multiply 5 to 1st equation to get
5c+5p=75
now subtract this from 2nd equation

Answer 11

16

Answer 12

thats 2p=16
so p=8
now can u find c from
c+p=15?

Answer 13

7

Answer 14

thats correct :)

Answer 15

(A)