Answer:
12.5
Step-by-step explanation:
(7/2) = 3.5
(3.5)^2 = 12.5
85 x 3 = 255
first 2 test grades were 81 and 86:
81 + 86 = 167
Need to find the 3rd to have exact average 85:
255 - 167 = 88
So her 3rd test needs to make 88 to make average of 85
Double check: 81 + 86 + 88 = 255 = 85 + 85 + 85
Answer:
2
Step-by-step explanation:
Answer:
C.) $2.00 per pound
Hope This Helps! Have A Nice Day!
