Three girls gave an equal amount of money to buy a souvenir for Andy. Jaslyn used
16 of her money. Roshel used
23 of her money and Kathy used
45 of hers. They had a total of $210 at first. How much was the souvenir?
| |
Jaslyn |
Roshel |
Kathy |
Total |
| Before |
6x4 =
24 u |
3x2 =
6 u |
5x1 =
5 u |
35 u ($210) |
| Change |
- 1x4 =
- 4 u |
- 2x2 =
- 4 u |
- 4x1 =
- 4 u |
- 12 u |
| After |
5x4 =
20 u |
1x2 =
2 u |
1x1 =
1 u |
23 u |
The three girls gave equal amount of money to buy the souvenir. 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 + 6 u + 5 u
= 35 u
35 u = 210
1 u = 210 ÷ 35 = 6
Cost of the souvenir
= 3 x 4 u
= 12 u
= 12 x 6
= $72
Answer(s): $72
