Question

Tami has set a goal to save more than $320. So far, she has saved $100, and she plans to save $20 each week from her after-school job.

Let w represent the number of weeks that Tami saves money.

To reach her goal, Tami will need to save for more than 21 w. True or False?

To reach her goal, Tami will need to save for more than 11 w. True or False?

Answer 1

She would need 11 weeks in order to reach her goal.

Answer 2

Part A) False

Part B) False

Explanation:

Let

w------> the number of weeks

we know that

`100+20w\geq 320` -----> inequality that represent the situation

Solve for x

`20w\geq 320-100`

`w\geq 220/20`

`w\geq 11\ weeks`

Part A) To reach her goal, Tami will need to save for more than
`21` weeks. True or False?

Is False

Tami will need
`11\ weeks`

Part B) To reach her goal, Tami will need to save for more than
`11` weeks. True or False?

Is False

Tami will need
`11\ weeks`