Roshel, Hazel and Barbara had a total of 543 cards. Roshel gave
58 of her cards away. Barbara gave away 4 times as many cards as Roshel and Hazel gave away 83 cards. In the end, they had 110 cards left. How many cards did Hazel and Barbara have in total in the end?
|
Roshel |
Hazel |
Barbara |
Total |
Before |
8 u |
? |
? |
543 |
Change |
- 5 u |
- 83 |
- 20 u |
- 433 |
After |
3 u |
? |
110 |
Number of cards that Barbara gave away
= 4 x 5 u
= 20 u
Number of cards given away
= 5 u + 83 + 20 u
= 25 u + 83
25 u + 83 = 543 - 110
25 u = 433 - 83
25 u = 350
1 u = 350 ÷ 25 = 14
Number of cards that Hazel and Barbara had in the end
= 110 - 3 u
= 110 - 3 x 14
= 110 - 42
= 68
Answer(s): 68