Tina, Winnie and Zoe had a total of 286 coins. Tina gave
13 of her coins away. Zoe gave away 4 times as many coins as Tina and Winnie gave away 67 coins. In the end, they had 189 coins left. How many coins did Winnie and Zoe have in total in the end?
|
Tina |
Winnie |
Zoe |
Total |
Before |
3 u |
? |
? |
286 |
Change |
- 1 u |
- 67 |
- 4 u |
- 97 |
After |
2 u |
? |
189 |
Number of coins that Zoe gave away
= 4 x 1 u
= 4 u
Number of coins given away
= 1 u + 67 + 4 u
= 5 u + 67
5 u + 67 = 286 - 189
5 u = 97 - 67
5 u = 30
1 u = 30 ÷ 5 = 6
Number of coins that Winnie and Zoe had in the end
= 189 - 2 u
= 189 - 2 x 6
= 189 - 12
= 177
Answer(s): 177