Question

In a fruit cocktail drink, pineapple juice, orange juice, and apple juice are mixed in the ratio 7:5:4.
(a) How much of each juice do you need to make 80ml of the cocktail?
(b) How much of each juice do you need to make 800ml of the cocktail?

Answer 1

let 7x+5x+4x=16x

16x=80

x=80÷16

×=5

Answer 2

7: 5: 4 = 80ml

then 7+5+4 =16 =80

now. 80/16. =5.

now 5×7 =35ml

5×5. =25ml

5×4 = 20ml

as same B ques's