write the system of equations that models this situation.

Question

bought ice cream sodas and cakes. ice cream sodas cost $10 each while cakes are only $12 each. if Barbara spent $128 and only ended up with 12 items. write the system of equations that models this situation.

Answer 1

10S + 12C = 128

S + C = 12

10S+10C = 120

subtract to

get 2C = 8

C =4

S =8