Question

Raj is a dog walker. He charges $85 walking fee and $20 per dog, with the first dog free. Which equation could you use to calculate the cost, c, to have Raj walk d dogs?

A.=c=85+20(d−1) B. c=85(d−1) C.c=20+85(d−1) D.c=(85+20)(d−1)

Answer 1

clearly, A