Answer:
2x3 + 4x2 - 6) - (x2 + 5)(x2 + 6)
17x4 + 36x3 - 11x2 - 54x - 30. i think this is right
Step-by-step explanation:
Mark up = profit ÷ cost
Let M = mark up
Let p = profit
Let c = cost
M = p/c
Take it from here.
27 is 80% of 33.75
35
just divide em
