Three girls gave an equal amount of money to buy a present for Dylan. Victoria used
16 of her money. Zoe used
25 of her money and Natalie used
45 of hers. They had a total of $156 at first. How much was the present?
| |
Victoria |
Zoe |
Natalie |
Total |
| Before |
6x4 =
24 u |
5x2 =
10 u |
5x1 =
5 u |
39 u ($156) |
| Change |
- 1x4 =
- 4 u |
- 2x2 =
- 4 u |
- 4x1 =
- 4 u |
- 12 u |
| After |
5x4 =
20 u |
3x2 =
6 u |
1x1 =
1 u |
27 u |
The three girls gave equal amount of money to buy the present. Make the amount that each spent the same. LCM of 1, 2 and 4 is 4.
Total amount that three girls had at first
= 24 u + 10 u + 5 u
= 39 u
39 u = 156
1 u = 156 ÷ 39 = 4
Cost of the present
= 3 x 4 u
= 12 u
= 12 x 4
= $48
Answer(s): $48
