Question

ten granola bars and twelve bottles of water cost $23. Five granola bars and four bottles of water cost $10. how much do one granola bar and one bottle of water cost

Answer 1

$1.95

Explanation:

10x+12y=23

5x+4y=10

10x+8y=20

4y=3

y=3/4

x=7/5

0.75+1.2=$1.95

Hope this helps :D