Question

A mixture of 80 litres, of acid and water, contains 20 litres of acid. What percent of water is in the mixture?

Answer 1

acid+water=80 litres
acid=20 litres
since,
water=80-20
=60 litres
p. of water=60/80×100
=75%

Answer 2

=> Quantity of Acid = 80 litres

=> Acid = 20 litres

=> Water =

=> 80 - 20 = 60 liters of water

=> Percentage =

=> 60/80 × 100

=> 60/8 × 10

=> 60/4 × 5

=> 30/2 × 5

=> 15/1 × 5

=> 75 %

75 % is the percentage of water..