Question

2x+5y=85 can be used to model how much money will Tim spent on x sodas and y sandwich’s if he brought 15 sodas how many sandwiches did he purchase

Answer 1

2x+5y=85

x=15

2(15)+5y=85
30+5y=85
5y=55
y=11

Tim brought 15 sodas and 11 sandwiches.

Answer 2

Tim would have bought 11 sandwhiches and 15 sodas.