Question

In a kitchen there are three containers that can hold different quantities of water, as shown in the figure below:

*PIC*


How many liters of water can the three containers hold in all?


A) 3x

B) x + 3

C) 3x + 1

D) x^2 + x − 1

Answer 1

A) 3x

Explanation:

The total of all the volumes is ...

(x -1) + (x) + (x +1) = (1+1+1)x +(-1+1) = 3x+0 = 3x . . . . . matches choice A