Question

Medal for help :)
A student scored 83 and 91 on her first two quizzes.
Write and solve a compound inequality to find the possible values for a third quiz score that would give her an average between 85 and 90 inclusive

Look below for choices ty :)

Answer 1

d

Answer 2

@kirbykirby @myininaya

Answer 3

@zepdrix @ikram002p

Answer 4

@ganeshie8

Answer 5

@mathmate

Answer 6

In my opinion, the best way to solve a problem with multiple choices is to work out the problem, and match the solution. This way, you get to learn something, and it nothing matches, you know you should check your work.

Back to the question.

Answer 7

OK

Answer 8

Let x be the score of the third quiz.

Answer 9

Can you figure out the total score of the 3 quizzes?

Answer 10

The score of the first quiz is 83, the second, 91, and the third x.
The total score is.....
@JuniorEinstein1

Answer 11

174?

Answer 12

@mathmate

Answer 13

But you also have the score of the third quiz that you have not included.
Could you put that in?

Answer 14

not sure what the third is

Answer 15

It's x.
So the total is:__________________

Answer 16

total=83+91+x=174+x

Answer 17

ok

Answer 18

So what would the average be?

Answer 19

85

Answer 20

How did you get 85 from (174+x)?

Answer 21

I'm doing something wrong I' lost

Answer 22

You have the sum of three numbers (83+91+x). How would you find the average of the three numbers? @JuniorEinstein1

Answer 23

@JuniorEinstein1
Sorry, I've got to go.
If you are in a rush, you can tag someone else.