Your test scores in one class are 81 and 87. What possible scores can you earn on your next test to have a test average between 84 and 89, inclusive?

i don't get it

3*84 <= 81+87+x <= 3*89

254 <= 168+x <= 267
...

who u call stupid lmao u cant even spell weirdo

thanks

you cant call us stupid you cant spell stupid also I know what he did and I am in 5th grade you should not be insulting them!

To find the range of possible scores on the next test, we need to consider the test average between 84 and 89, inclusive.

First, let's find the lower bound of the average. The average of three scores can be calculated by adding them up and dividing by 3. So, for a test average of 84, we have:

(81 + 87 + x) / 3 = 84

Simplifying this equation, we get:

81 + 87 + x = 252

Combine like terms:

168 + x = 252

Subtract 168 from both sides:

x = 84

So, the minimum score you need to achieve on the next test to have an average of 84 is 84.

Next, let's find the upper bound of the average. For a test average of 89, we have:

(81 + 87 + x) / 3 = 89

Simplifying this equation, we get:

81 + 87 + x = 267

Combine like terms:

168 + x = 267

Subtract 168 from both sides:

x = 99

Therefore, the maximum score you can earn on the next test to have an average of 89 is 99.

In summary, to have a test average between 84 and 89, inclusive, your score on the next test can range from 84 to 99.

yall stoopid man low lives