I believe the answer is 7.18
800+16x=720+21x
80+16x=21x
80=5x
X=16
So 16 hours :)
Answer:
-66
Step-by-step explanation:
solve m(-4)
-4^2 -40
-24
solve n(-24)
3(-24) + 6
-66
Answer:
11c
Step-by-step explanation:
Think of it like 12c-1c.
When it is c by itself, then it is just 1c.
Subtract 12-1, get 11.
Answer21
Step-by-step explanation:xpressions equivalent? HELP!