Hilda, Kimberly and Jen had a total of 245 cards. Hilda gave
19 of her cards away. Jen gave away 2 times as many cards as Hilda and Kimberly gave away 97 cards. In the end, they had 136 cards left. How many cards did Kimberly and Jen have in total in the end?
| |
Hilda |
Kimberly |
Jen |
Total |
| Before |
9 u |
? |
? |
245 |
| Change |
- 1 u |
- 97 |
- 2 u |
- 109 |
| After |
8 u |
? |
136 |
Number of cards that Jen gave away
= 2 x 1 u
= 2 u
Number of cards given away
= 1 u + 97 + 2 u
= 3 u + 97
3 u + 97 = 245 - 136
3 u = 109 - 97
3 u = 12
1 u = 12 ÷ 3 = 4
Number of cards that Kimberly and Jen had in the end
= 136 - 8 u
= 136 - 8 x 4
= 136 - 32
= 104
Answer(s): 104
