Answer:
45
Step-by-step explanation:
45 +45=90
D i think sorry if its wronf
Answer: The answer is 72
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
He must get a 65 as a minimum grade on his third test to get an average of 70.
Equation is
85 + 60 + x
------------------- greater than or equal to 70
3