Answer:
Since there is 4 quarts in a gallon and 60 minutes in a hour.
60 x 60 = 3600
Multiply: 815 × 4 = 3260 quarts per hour
So 3260/3600 = 326/360 = 0.905 quarts per second
Step-by-step explanation:
(i) The product of the two expressions is equal to the product of their factors. (ii) The product of the two expressions is equal to the product of their H.C.F. and L.C.M. 2.
Just subtract and then add then you should get your answer.