Erika, Lucy and Cindy had a total of 332 beads. Erika gave
25 of her beads away. Cindy gave away 2 times as many beads as Erika and Lucy gave away 94 beads. In the end, they had 148 beads left. How many beads did Lucy and Cindy have in total in the end?
| |
Erika |
Lucy |
Cindy |
Total |
| Before |
5 u |
? |
? |
332 |
| Change |
- 2 u |
- 94 |
- 4 u |
- 184 |
| After |
3 u |
? |
148 |
Number of beads that Cindy gave away
= 2 x 2 u
= 4 u
Number of beads given away
= 2 u + 94 + 4 u
= 6 u + 94
6 u + 94 = 332 - 148
6 u = 184 - 94
6 u = 90
1 u = 90 ÷ 6 = 15
Number of beads that Lucy and Cindy had in the end
= 148 - 3 u
= 148 - 3 x 15
= 148 - 45
= 103
Answer(s): 103
