Cole and John had $1496. Cole spent
38 of his money on a home theater system. John spent
18 of his money on a notebook. The home theater system cost $273 more than the notebook. How much money had Cole left?
| |
Cole |
John |
Total |
Before |
8 u |
+ 728 |
8x3 =
24 u |
1496 |
Change |
- 3 u |
- 273 |
- 1x3 =
- 3 u |
|
Comparing the home theater system
and the notebook |
273 more |
|
|
After |
5 u |
+ 455 |
7x3 =
21 u |
|
273 ÷ 3 = 91
5 x 91 = 455
8 x 91 = 728
Total amount that Cole and John had at first
= 8 u + 728 + 24 u
= 32 u + 728
32 u + 728 = 1496
32 u = 1496 - 728
32 u = 768
1 u = 768 ÷ 32 = 24
Amount that Cole had left
= 5 u + 455
= 5 x 24 + 455
= 120 + 455
= $575
Answer(s): $575
