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?

75+65w≥635

This is the inequality because you already saved 75 so you just add it to the amount you save after a certain amount of weeks. It needs to be more than 635 for the the trip.

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168