Emily, Shiyun and Wendy had a total of 358 cards. Emily gave
25 of her cards away. Wendy gave away 4 times as many cards as Emily and Shiyun gave away 84 cards. In the end, they had 194 cards left. How many cards did Shiyun and Wendy have in total in the end?
|
Emily |
Shiyun |
Wendy |
Total |
Before |
5 u |
? |
? |
358 |
Change |
- 2 u |
- 84 |
- 8 u |
- 164 |
After |
3 u |
? |
194 |
Number of cards that Wendy gave away
= 4 x 2 u
= 8 u
Number of cards given away
= 2 u + 84 + 8 u
= 10 u + 84
10 u + 84 = 358 - 194
10 u = 164 - 84
10 u = 80
1 u = 80 ÷ 10 = 8
Number of cards that Shiyun and Wendy had in the end
= 194 - 3 u
= 194 - 3 x 8
= 194 - 24
= 170
Answer(s): 170