Kylie, Raeann and Gillian had a total of 421 pens. Kylie gave
35 of her pens away. Gillian gave away 5 times as many pens as Kylie and Raeann gave away 84 pens. In the end, they had 121 pens left. How many pens did Raeann and Gillian have in total in the end?
|
Kylie |
Raeann |
Gillian |
Total |
Before |
5 u |
? |
? |
421 |
Change |
- 3 u |
- 84 |
- 15 u |
- 300 |
After |
2 u |
? |
121 |
Number of pens that Gillian gave away
= 5 x 3 u
= 15 u
Number of pens given away
= 3 u + 84 + 15 u
= 18 u + 84
18 u + 84 = 421 - 121
18 u = 300 - 84
18 u = 216
1 u = 216 ÷ 18 = 12
Number of pens that Raeann and Gillian had in the end
= 121 - 2 u
= 121 - 2 x 12
= 121 - 24
= 97
Answer(s): 97