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

The number that represent the change per month is;

`12`

Step-by-step 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=(144)/(12) \\ x=\text{ \$12} \end{gathered}`

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

`12`

C