Question

Melissa has $100 in the bank. She plans to deposit $40 per week until she reaches $500. What is the rate of change? Explain what the rate of change means in the context of the problem. *

Answer 1

$40 per week

Explanation:

Step one:

Given data

the initial amount is = $100

the total amount= $500

let the number of weeks be x

Step two:

The expression for the scenario is

`500= 100+40x-------1`

From the expression above, the rate of the change is $40 per week.

this means that in every week the account will be increased by $40