A milk dealer has two milk cans. The first is made up of 25% water and 75% milk. The second is made up of 50% water. How much milk should he combine from each of the containers to make 12 litres of milk with a 3:5 water-to-milk ratio?
A. 4 litres, 8 litres
B. 6 litres, 6 litres
C. 5 litres, 7 litres
D. 7 litres, 5 litres
Answer:B
A milk dealer has two milk cans. The first is made up of 25% water and 75% milk. The second is made up of 50% water. How much milk should he combine from each of the containers to make 12 litres of milk with a 3:5 water-to-milk ratio?
A. 4 litres, 8 litres B. 6 litres, 6 litres C. 5 litres, 7 litres D. 7 litres, 5 litres
Explanation: Let's say the price of a litre of milk is 1 milk in 1 litre mix = 3/4 litre in 1st can, C.P. of 1 litre mix in 1st can Re.3/4 Milk in 1 litre mix. in 2nd can = 1/2 litre, C.P. of 1 litre mix. in 2nd can = 1/2 litre, C.P. of 1 litre mix. in 2nd can = 1/2 litre, C.P. of 1 litre mix. in 2nd can = 1/2 1/2 litre milk in 1 litre final mix = 5/8 litre Re. 5/8 is the average price.As a result of the alligation rule, we have:1/8 : 1/8 Equals 1 : 1 ratio of two mixes,As a result, the amount of mixture extracted from each can is 1/2 x 12 = 6 litres.