Question

christine went shopping and bought each of her 7 nephews a gift either a video costing 14.95 or a cd costing 16.88 she spent 80.54 on the gifts how many videos and how many cds did she bye

Answer 1

v+c=9 or v=9-c
14.95v+16.88c=138.41
14.95(9-c)+16.88c=138.41
134.55-14.95c+16.88c=138.41
1.93c=138.41-134.55
1.93c=3.86
c=3.86/1.93


c=2 cds were bought.
v=9-2=7 video were bought.
Proof:
14.95*7+16.88*2=138.41
104.65+33.76=138.41
138.41=134.41

Answer 2

Your welcome

Answer 3

that was awesome thanks