Question

Find tge number of units which must sold to earn the maximum profit .
It's Cad
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)?
It's Cad
d = 0.25r

B
r = 0.25d

C
d=25r

D
r = 25d