There were some kiwis in 3 bags, P, Q and R. 20% of the number of kiwis in Bag P was equal to 10% of the number of kiwis in Bag Q. The number of kiwis in Bag R was 60% of the total number of kiwis. After Reggie removed 20% of the kiwis in Bag R, there were 160 more kiwis in Bag R than in Bag Q. In the end, how many kiwis should be transferred from Bag Q to Bag R so that the number of kiwis in Bag P would be the same as Bag Q?
Bag P |
Bag Q |
Bag R |
1x2 |
2x2 |
|
2x3 |
3x3 |
2 u |
4 u |
9 u |
|
Bag P |
Bag Q |
Bag R |
Before |
2 u |
4 u |
9 u |
Change |
|
|
- 1.8 u |
After |
2 u |
4 u |
7.2 u |
20% =
20100 =
15 10% =
10100 =
110 15 Bag P =
110 Bag Q
Bag P : Bag Q
5 : 10
1 : 2
60% =
60100 =
35The total number of kiwis in Bag P and Bag Q is the combined repeated identity. Make the total number of kiwis in Box P and Bag Q the same. LCM of 3 and 2 = 6
Number of kiwis removed from Bag R
=
20100 x 9 u
= 1.8 u
Number of kiwis left in Bag R
= 9 u - 1.8 u
= 7.2 u
Number of more kiwis in Bag R than Bag Q
= 7.2 u - 4 u
= 3.2 u
3.2 u = 160
1 u = 160 ÷ 3.2 = 50
|
Bag P |
Bag Q |
Bag R |
Before |
2 u |
4 u |
7.2 u |
Change |
|
- 2 u |
+ 2 u |
After |
2 u |
2 u |
9.2 u |
Number of kiwis to be transferred from Bag Q to Bag R so that the number of kiwis in Bag P would be the same as Bag Q.
= 4 u - 2 u
= 2 u
= 2 x 50
= 100
Answer(s): 100