Jaslyn and Gillian have 470 marbles altogether. Gillian has four times as many marbles as Jaslyn. How many marbles must Gillian give to Jaslyn so that they have the same number of marbles?
|
Jaslyn |
Gillian |
Total |
Before |
1 u |
4 u |
470 |
Change |
+ ? |
- ? |
|
After |
235 |
235 |
470 |
Total number of marbles that Jaslyn and Gillian have
= 1 u + 4 u
= 5 u
5 u = 470
1 u = 470 ÷ 5 = 94
Number of marbles that Jaslyn and Gillian each has in the end
= 470 ÷ 2
= 235
Number of marbles that Gillian must give to Jaslyn
= 235 - 94
= 141
Answer(s): 141