Problema Solution
There are 30 milligram of water in a jar. If 1.2 centigrams of the water evaporates in 18 hours, how many hours will it take the rest of the water to evaporate?
Answer provided by our tutors
1 milligram = 0.1 centigrams
30 milligram = 30*0.1 centigrams
30 milligram = 3 centigrams
let 't' the time needed for the rest of the 3 - 1.2 = 1.8 centigrams to evamporate
1.2 : 18 = 1.8 : t
by solving we find:
t = 27 hr
click here to see the step by step solution of the equation:
it will take 27 hours for the rest of the water to evaporate.