Respuesta :
Direct variation means y=kx so
16=64k, k=16/64=1/4
d(p)=x/4 (the discount as a function of the original price)
16=64k, k=16/64=1/4
d(p)=x/4 (the discount as a function of the original price)
Answer:
i got this question on usatestprep the answer is A
Step-by-step explanation: