Abarrel of water is full. it decreased by 85%. now it has 120 liters. how much liters did it have to begin with?

the answer is about 141.18 liters

Step-by-step explanation:

solve this problem by setting up a proportion. 85/100 = 120/x. then solve for x by cross-multiplying. 85x = 120*100. then simplify. x= 2400/17 or 141.18

the dimensions are:

step-by-step explanation:

we want to find the dimensions of a rectangular box with volume of

we factor to obtain;

we rewrite the rightmost factor to obtain;

recall that:

we apply difference of two squares formula to obtain;

hence the dimensions are