Question

Hannah deposited the same amount of money into her savings account each month after 5 months she had $2,550 into the savings account after 8 months she had $3,300 and the savings account create an equation that models the amount a and the savings account after x months not included interest show your work ever explain how you determine your equation

Answer 1

• a = 250x + 1300

Explanation:

We have pairs (5, 2550) and (8, 3300)

Find the rate of change:

• (3300 - 2550)/(8 - 5) =
• 750/3 =
• 250

$250 is the amount added to savings account every month

Initial amount was:

• 2550 - 5*250 =
• 2550 - 1250 =
• 1300

Since the change is linear and we have y-intercept and slope, we can show the amount after x months as:

• a = 250x + 1300