Yoko, Sabrina and Roshel had a total of 260 erasers. Yoko gave
59 of her erasers away. Roshel gave away 2 times as many erasers as Yoko and Sabrina gave away 68 erasers. In the end, they had 117 erasers left. How many erasers did Sabrina and Roshel have in total in the end?
|
Yoko |
Sabrina |
Roshel |
Total |
Before |
9 u |
? |
? |
260 |
Change |
- 5 u |
- 68 |
- 10 u |
- 143 |
After |
4 u |
? |
117 |
Number of erasers that Roshel gave away
= 2 x 5 u
= 10 u
Number of erasers given away
= 5 u + 68 + 10 u
= 15 u + 68
15 u + 68 = 260 - 117
15 u = 143 - 68
15 u = 75
1 u = 75 ÷ 15 = 5
Number of erasers that Sabrina and Roshel had in the end
= 117 - 4 u
= 117 - 4 x 5
= 117 - 20
= 97
Answer(s): 97