Vincent has
58 as many marbles as Ryan. They have a total of 286 marbles. How many marbles must Ryan give to Vincent so that they will have the same number of marbles?
|
Vincent |
Ryan |
Total |
Before |
5 u |
8 u |
13 u |
Change |
+ ? |
- ? |
|
After |
143 |
143 |
286 |
Total number of marbles
= 5 u + 8 u
= 13 u
13 u = 286
1 u = 286 ÷ 13 = 22
Number of marbles that each of them has in the end
= 286 ÷ 2
= 143
Number of marbles that Vincent has
= 5 u
= 5 x 22
= 110
Number of marbles that Ryan must give Vincent
= 143 - 110
= 33
Answer(s): 33