Let, the number of books on Monday = m
On Tuesday = 2m
On Wednesday = 2m - 6
Equation: m + 2m + (2m - 6) = 19
You can solve it:
5m = 19 + 6
m = 25/5
m = 5
In short, He sold 5 books on Monday
Hope this helps!
I believe the answers are B. (-2,1) and C. (-4,2)
(You plug in the ordered pairs in the inequality and then check if the statement is true)
Answer:
A.
Step-by-step explanation: