Question

An aquarium holds 6-1/4 gallons of water. The water evaporated and dropped to 4/5 of this amount. How many gallons of water remained in the aquarium?

a
5
b
4/5
c
1
d
1/4

Answer 1

a) 5

Explanation:

6 ¼ = 25/4

(4/5) × (25/4) = 5 gallons

Answer 2

5

Explanation:

Change 6 1/4 into an improper fraction

6 1/4 = (4*6 +1)/4 = 25/4

Multiply by the fraction

25/4 * 4/5

5

There are 5 gallons left