16.00 I think by 40% for one book but for two is 80%
Answer:
You would divide by -3, in this case x would be -7
Step-by-step explanation:
-3/-3 = x -3/21 = -7
x=-7
Answer:
11
Step-by-step explanation:
Plug in the variable into the equation. 7+4=11
Answer:
c
Step-by-step explanation: