Kathy, Emma and Xandra have 280 beads. Kathy has
34 as many beads as Emma. Xandra's beads is
14 of the total number of Kathy's and Emma's beads. How many beads must Emma give to Xandra so that both Kathy and Xandra will have the same number of beads?
| Kathy |
Emma |
Xandra |
Total |
4x7 =
28 u |
1x7 =
7 u |
|
3x4 =
12 u |
4x4 =
16 u |
|
|
| 12 u |
16 u |
7 u |
280 |
Total number of beads
= 12 u + 16 u + 7 u
= 35 u
35 u = 280
1 u = 280 ÷ 35 = 8
| Kathy |
Emma |
Xandra |
Total |
| 12 u |
16 u |
7 u |
280 |
| |
- 5 u |
+ 5 u |
|
| 12 u |
11 u |
12 u |
280 |
Number of beads that Emma must give to Xandra
= 12 u - 7 u
= 5 u
= 5 x 8
= 40
Answer(s): 40
