Lynn, Betty and Tiffany went shopping together. They brought a total of $1716 with them. Lynn spent 40% of her money. Betty spent $120 and Tiffany spent four times as much money as Lynn. In the end, they had $526 left. How much money did Betty and Tiffany have altogether in the end?
| |
Lynn |
Betty |
Tiffany |
Total |
| Before |
5 u |
|
|
1716 |
| Change |
- 2 u |
- 120 |
- 8 u |
- 1190 |
| After |
3 u |
? |
526 |
40% =
40100 =
25 Lynn spent: Lynn's total = 2 : 5
Amount that Tiffany spent
= 4 x 2 u
= 8 u
Amount that the three girls spent
= 2 u + 8 u + 120
= 10 u + 120
Amount that the three girls spent
= 1716 - 526
= $1190
10 u + 120 = 1190
10 u = 1190 - 120
10 u = 1070
1 u = 1070 ÷ 10 = 107
Amount that Betty and Tiffany had in the end
= 526 - 3 u
= 526 - 3 x 107
= 526 - 321
= $205
Answer(s): $205
