Mathematics for IGCSE & O level - Ratio And Proportion (Section 3 - No. 17)
Orange squash needs to be mixed in the ratio 1 part concentrate to 4 parts water. How much concentrate is needed to make 3.5 liters of orange squash?
0.7 liters
1.0 liters
2.8 liters
3.5 liters
Explanation
The ratio of concentrate to squash is 1:5 (1 part concentrate and 4 parts water). So, for 3.5 liters, the concentrate is (1/5) * 3.5 = 0.7 liters.
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