Aliaa got a mark of 60 in her first 4 tests, so her total mark is 60 x 4 = 240. On her fifth test, she got a mark of 80.
So her average is:
(240+80)/5 = 320/5 = 64
Her avg is 64 (c).
Answer:
there ain't nun to answer here
Step-by-step explanation:
the answer for the question is b! :)
Answer:
6x + 7y +84
Step-by-step explanation: