Answer:
88
Step-by-step explanation:

The mean would be the sum of all the math quiz grades divided by the number of quizzes taken.
Solve for x:



Thus, Allen needs at least an 88 to obtain a mean of at least 90.
Answer:
I got 11.5 lol I don’t really know why
9514 1404 393
Answer:
17,500
Step-by-step explanation:
The problem can be written as a proportion:
hits/revenue = 1000/(£2) = x/(£35)
Multiplying by £35 gives ...
x = 1000(35/2) = 35000/2 = 17,500
17500 hits are required for revenue of £35.
Answer:
n= 1
Step-by-step explanation:
-3n + 15 =12
-15. -15
-3n= - 3
÷-3 ÷-3
n= 1