Find tge number of units which must sold to earn the maximum profit .
2 answers
A store is having a sale with a 25% discount on all merchandise. Which equation represents the relationship between the regular cost of merchandise (r) and the discount received (d)?
d = 0.25r
B
r = 0.25d
C
d=25r
D
r = 25d
B
r = 0.25d
C
d=25r
D
r = 25d