The amount of pineapple syrup to the amount of water in Cup A is in the ratio 3 : 7. The amount of pineapple syrup to the amount of water in Cup B is in the ratio 1 : 5. There is an equal amount of pineapple syrup in both cups. Cup A contains 152 mℓ less water than Cup B. What is the amount of pineapple syrup in Cup A? Leave the answer in mℓ.
Cup A |
Cup B |
Syrup |
Water |
Syrup |
Water |
3x1 |
7x1 |
1x3 |
5x3 |
1x3 |
|
1x3 |
|
3 u |
7 u |
3 u |
15 u |
The amount of syrup in Cup A and Cup B is the same. Make the amount of syrup the same. LCM of 3 and 1 is 3.
Amount of less water in Cup A than Cup B
= 15 u - 7 u
= 8 u
8 u = 152
1 u = 152 ÷ 8 = 19
Amount of water in Cup B
= 15 u
= 15 x 19
= 285 mℓ
Answer(s): 285 mℓ