Question

You need at least $635 to go on a trip to Washington, DC. You already have $75 saved for the trip. You decide to save an additional $65 per week. Which inequality shows the number of weeks, w, you need to save to be able to go on the trip?

Answer 1

Answer: $75 + $65w ≥ $635

Explanation:

$635 is your goal and how much money you should earn

$75 is your already saved money

$65 is how much you're going to save every week

Ask yourself, how many weeks do you have to save money before you reach your goal of $635. Since we don't know this value, it's a variable, w.