Esther, Abi and Kylie had a total of 320 marbles. Esther gave
27 of her marbles away. Kylie gave away 4 times as many marbles as Esther and Abi gave away 69 marbles. In the end, they had 141 marbles left. How many marbles did Abi and Kylie have in total in the end?
| |
Esther |
Abi |
Kylie |
Total |
| Before |
7 u |
? |
? |
320 |
| Change |
- 2 u |
- 69 |
- 8 u |
- 179 |
| After |
5 u |
? |
141 |
Number of marbles that Kylie gave away
= 4 x 2 u
= 8 u
Number of marbles given away
= 2 u + 69 + 8 u
= 10 u + 69
10 u + 69 = 320 - 141
10 u = 179 - 69
10 u = 110
1 u = 110 ÷ 10 = 11
Number of marbles that Abi and Kylie had in the end
= 141 - 5 u
= 141 - 5 x 11
= 141 - 55
= 86
Answer(s): 86
