5x-40 if yo are trying to simplify it
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).
42 degrees. Comment down if you need the explanation why
Answer:
the answer is 1350
Step-by-step explanation:
add 450 together three times or multiply by 3
450 x 3 = 1350
