Penelope, Nora and Gem had a total of 547 coins. Penelope gave
47 of her coins away. Gem gave away 4 times as many coins as Penelope and Nora gave away 59 coins. In the end, they had 188 coins left. How many coins did Nora and Gem have in total in the end?
| |
Penelope |
Nora |
Gem |
Total |
| Before |
7 u |
? |
? |
547 |
| Change |
- 4 u |
- 59 |
- 16 u |
- 359 |
| After |
3 u |
? |
188 |
Number of coins that Gem gave away
= 4 x 4 u
= 16 u
Number of coins given away
= 4 u + 59 + 16 u
= 20 u + 59
20 u + 59 = 547 - 188
20 u = 359 - 59
20 u = 300
1 u = 300 ÷ 20 = 15
Number of coins that Nora and Gem had in the end
= 188 - 3 u
= 188 - 3 x 15
= 188 - 45
= 143
Answer(s): 143
