For x, the answer is x >= -(3 - y)/2, for y it's y <= 2x -3.
A is your answer
We can cross multiply using x/70=30%/100
Solving it we get:
100x=2100 (70 times 30)
x=21
So we get a, 21 as your answer.
I hope this helped!
A) 60q/12
b) set ^ this equation equal to the one on the paper, move the variable to one side, and the rest should be easy from there
c) he loses profits
The mystery number is 16 because 16 - 6 = 10.
