Question

Milk and water are used to make a cold drink in a ratio 4:7. If 38 lof milk is used in all. How many litres of water is used to make the cold drink?​

Answer 1

Step-by-step explanation:

let let the quantity be

then in ratio and proportion

4:7::38:x

4/7=38/x

next divide the both

4x==7×38

X=7×38/4

X=7×8

56

and 56

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Answer 2

Answer:

66.5 lts

Step-by-step explanation:

4:7 i.e milk:water

4x:7x

given, 4x=38

then x=9.5

so,7x=7(9.5)

        =66.5 lts of water