Tina, Usha and Diana have 360 stamps. Tina has
45 as many stamps as Usha. Diana's stamps is
14 of the total number of Tina's and Usha's stamps. How many stamps must Usha give to Diana so that both Tina and Diana will have the same number of stamps?
Tina |
Usha |
Diana |
Total |
4x9 = 36 u |
1x9 = 9 u |
|
4x4 = 16 u |
5x4 = 20 u |
|
|
16 u |
20 u |
9 u |
360 |
Total number of stamps
= 16 u + 20 u + 9 u
= 45 u
45 u = 360
1 u = 360 ÷ 45 = 8
Tina |
Usha |
Diana |
Total |
16 u |
20 u |
9 u |
360 |
|
- 7 u |
+ 7 u |
|
16 u |
13 u |
16 u |
360 |
Number of stamps that Usha must give to Diana
= 16 u - 9 u
= 7 u
= 7 x 8
= 56
Answer(s): 56