Vaidev has
27 as many beads as Carl. They have a total of 270 beads. How many beads must Carl give to Vaidev so that they will have the same number of beads?
|
Vaidev |
Carl |
Total |
Before |
2 u |
7 u |
9 u |
Change |
+ ? |
- ? |
|
After |
135 |
135 |
270 |
Total number of beads
= 2 u + 7 u
= 9 u
9 u = 270
1 u = 270 ÷ 9 = 30
Number of beads that each of them has in the end
= 270 ÷ 2
= 135
Number of beads that Vaidev has
= 2 u
= 2 x 30
= 60
Number of beads that Carl must give Vaidev
= 135 - 60
= 75
Answer(s): 75