Esther and Gwen have 300 beads altogether. Gwen has four times as many beads as Esther. How many beads must Gwen give to Esther so that they have the same number of beads?
| |
Esther |
Gwen |
Total |
| Before |
1 u |
4 u |
300 |
| Change |
+ ? |
- ? |
|
| After |
150 |
150 |
300 |
Total number of beads that Esther and Gwen have
= 1 u + 4 u
= 5 u
5 u = 300
1 u = 300 ÷ 5 = 60
Number of beads that Esther and Gwen each has in the end
= 300 ÷ 2
= 150
Number of beads that Gwen must give to Esther
= 150 - 60
= 90
Answer(s): 90
