Question

Ariana's savings account increased by the same amount every month for 12 months. During that time,her savings account increased by $144. Which number represents the change per month, in dollars?

Answer 1

Answer:

The number that represent the change per month is;

$12$

Explanation:

Given that;

Ariana's savings account increased by the same amount every month for 12 months.

Let x represent the amount ariana save per month.

If duriing the 12 months her savings account increased by $144.

The we have;

$\begin{gathered} 12x=144 \\ x=\frac{144}{12} \\ x=\text{ \ 12} \end{gathered}$

Therefore, the number that represent the change per month is;

$12$

C