Eva and Fiona have 560 beads altogether. Fiona has four times as many beads as Eva. How many beads must Fiona give to Eva so that they have the same number of beads?
|
Eva |
Fiona |
Total |
Before |
1 u |
4 u |
560 |
Change |
+ ? |
- ? |
|
After |
280 |
280 |
560 |
Total number of beads that Eva and Fiona have
= 1 u + 4 u
= 5 u
5 u = 560
1 u = 560 ÷ 5 = 112
Number of beads that Eva and Fiona each has in the end
= 560 ÷ 2
= 280
Number of beads that Fiona must give to Eva
= 280 - 112
= 168
Answer(s): 168