Answer:
2 equations
28.8/100*75 = $21.6 - 10% 21.6/100*90 = $19.44
Step-by-step explanation:
First one we determine the 25% ans second we deduct 10% from that result.
i tried on a calculator and it gave me 211.125
2: c
3: a
by Supplementing each answer Into the equation
R = 33.35%
that is the solution above
