Question

A container holds 10 gallons of water. If 5/8 of a gallon is added to the container each hour, how many hours would it take to fill the container?

Answer 1

let after T hour container full by water .

then T × 5/8 = 10
T = 80/5 = 16

hence after 16 hours containers full by water

Answer 2

Let the container full by water in t hours.let after 
So,t × 5/8 = 10 
     t = 80/5
       = 16 Hours

∴ Container full by water in 16 hours.