Jack's grades on his last 4 tests were 85%, 76%, 95%, and 81%. What does he need to get on his fifth test to have an average of at least 85%?

he has to get at least a score of 88

Step-by-step explanation:

84.25%

Step-by-step explanation:

85+76+95+81 = 337

337/4= 84.25

so Jack needs to get at least 84.25% on his fifth test to have an average of at least 85%:)

answer: 457.14

step-by-step explanation:

205 - 45 = 160

160 / .35 = 457.142857

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.