Question

(08.05)
Theresa earned scores of 88 points, 84 points, 88 points, and 91 points on four tests. What is the lowest score she can get on the fifth test and still finish with an average score of 90 points? (3 points)


96 points

97 points

98 points

99 points

Answer 1

@mayankdevnani @Indigo @pooja195 @Slenderman

Answer 2

Add 88+84+88+91

Answer 3

351

Answer 4

Then when you get that number then add 96 and divide by 5

Answer 5

89

Answer 6

If thats not the correct answer then repeat the process except use 97 the next time.

Answer 7

so its C correct :?

Answer 8

It will take a while but you should find your answer

Answer 9

imma andromeda handle this one, lets see how it goes

Answer 10

all you have to do is add the 4 numbers with each answer and divide them by 5

Answer 11

its easy.

Answer 12

lol If I'm doing it wrong feel free to step in @Slenderman

Answer 13

i will

Answer 14

which numbers do i add then divide 4? or 5?

Answer 15

88+84+88+91+98=89.8

So that is incorrect. It's not C

Answer 16

Divide by 5 because there are 5 different numbers

Answer 17

88+84+88+91+99= what?

Answer 18

450

Answer 19

now divide it by 5

Answer 20

90

Answer 21

So whats your answer?

Answer 22

None of them

Answer 23

lol no look at the equation

Answer 24

A?

Answer 25

Let x represent her score on the next test.

88, 84, 88, 91, and x are 5 scores

Take the sum of those numbers and divide by 5

Set that expression equal to 90.

Solve for x to find the lowest score she can make and have an average of 90.

Answer 26

She had to get at least a 90. With those numbers thats what she got?
Your answer is the the last equation I typed.

Answer 27

D

Answer 28

Yes!

Answer 29

TY :D

Answer 30

yw

Answer 31

yeah you did it