Diana, Emily and Eva had a total of 202 cards. Diana gave
15 of her cards away. Eva gave away 2 times as many cards as Diana and Emily gave away 48 cards. In the end, they had 142 cards left. How many cards did Emily and Eva have in total in the end?
| |
Diana |
Emily |
Eva |
Total |
| Before |
5 u |
? |
? |
202 |
| Change |
- 1 u |
- 48 |
- 2 u |
- 60 |
| After |
4 u |
? |
142 |
Number of cards that Eva gave away
= 2 x 1 u
= 2 u
Number of cards given away
= 1 u + 48 + 2 u
= 3 u + 48
3 u + 48 = 202 - 142
3 u = 60 - 48
3 u = 12
1 u = 12 ÷ 3 = 4
Number of cards that Emily and Eva had in the end
= 142 - 4 u
= 142 - 4 x 4
= 142 - 16
= 126
Answer(s): 126
