Question

Which expression best represents the difference between triple a number and double a number?

a. 3x-2x
b. 2x-3x
c. x3-x2
d. x2-x3

Answer 1

The word difference indicates subtraction. The words triple and double are used when multiplying a quantity by 3 and by 2 respectively. 3x - 2x is correct.

SO THE ANSWER IS A

Answer 2

A because it is three times an unknown number minus two times an unknown number.