3. A student has earned the following scores on four 100-point tests this marking period: 63, 72, 88, and 91. What score must the student

In order to have average 80 score from 5 tests, student needs to have 400 points (80%*500=0.8*500=400)

So far he has 63+72+88+91= 314

400-314=86

He needs to get 86 points from the last test.

Since he is obviously getting better at tests, i think he'll manage :)

idk

step-by-step explanation:

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