Question

A body lotion is made by mixing coconut milk and olive oil in the ratio of 5 to 4. How much coconut milk and olive oil is required to make 90 ml of the lotion?
A.
60 ml of coconut milk, 30 ml of olive oil
B.
30 ml of coconut milk, 60 ml of olive oil
C.
50 ml of coconut milk, 40 ml of olive oil
D.
40 ml of coconut milk, 50 ml of olive oil

Answer 1

The ratio is 5:4

Let the common multiple be x

Thus, 5x + 4x=90

9x =90

x=10 ml

Thus, amount of coconut milk=5x=50 ml

Amount of olive oil=4x=40 ml

So, option c is correct.

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Answer 2

option C is correct

explanation:

5x+4x=90

9x=90

x=90/9

x=10

5x=5×10=50ml of coconut milk

4x=4×10=40ml of olive oil.