Tim has
47 as many beads as Simon. They have a total of 286 beads. How many beads must Simon give to Tim so that they will have the same number of beads?
|
Tim |
Simon |
Total |
Before |
4 u |
7 u |
11 u |
Change |
+ ? |
- ? |
|
After |
143 |
143 |
286 |
Total number of beads
= 4 u + 7 u
= 11 u
11 u = 286
1 u = 286 ÷ 11 = 26
Number of beads that each of them has in the end
= 286 ÷ 2
= 143
Number of beads that Tim has
= 4 u
= 4 x 26
= 104
Number of beads that Simon must give Tim
= 143 - 104
= 39
Answer(s): 39