Question

The cost of 1 litre of milk is 42 3/4 find the cost of 12 1/2 litres of milk​

Answer 1

534.37500

Explanation:

1/42.75 = 12.5/x

x= 534.37500

you setup a ratio of litre/cost = litre/cost

you can also multiply 42.75 by 12.5, which is way easier.