Yoko, Elyse and Xuan had a total of 293 pens. Yoko gave
47 of her pens away. Xuan gave away 5 times as many pens as Yoko and Elyse gave away 43 pens. In the end, they had 130 pens left. How many pens did Elyse and Xuan have in total in the end?
|
Yoko |
Elyse |
Xuan |
Total |
Before |
7 u |
? |
? |
293 |
Change |
- 4 u |
- 43 |
- 20 u |
- 163 |
After |
3 u |
? |
130 |
Number of pens that Xuan gave away
= 5 x 4 u
= 20 u
Number of pens given away
= 4 u + 43 + 20 u
= 24 u + 43
24 u + 43 = 293 - 130
24 u = 163 - 43
24 u = 120
1 u = 120 ÷ 24 = 5
Number of pens that Elyse and Xuan had in the end
= 130 - 3 u
= 130 - 3 x 5
= 130 - 15
= 115
Answer(s): 115