Roshel, Nora and Abi had a total of 253 stamps. Roshel gave
13 of her stamps away. Abi gave away 5 times as many stamps as Roshel and Nora gave away 42 stamps. In the end, they had 169 stamps left. How many stamps did Nora and Abi have in total in the end?
| |
Roshel |
Nora |
Abi |
Total |
| Before |
3 u |
? |
? |
253 |
| Change |
- 1 u |
- 42 |
- 5 u |
- 84 |
| After |
2 u |
? |
169 |
Number of stamps that Abi gave away
= 5 x 1 u
= 5 u
Number of stamps given away
= 1 u + 42 + 5 u
= 6 u + 42
6 u + 42 = 253 - 169
6 u = 84 - 42
6 u = 42
1 u = 42 ÷ 6 = 7
Number of stamps that Nora and Abi had in the end
= 169 - 2 u
= 169 - 2 x 7
= 169 - 14
= 155
Answer(s): 155
