The band's manager earns a monthly rate, plus $20 for each show booked. Last month the manager earned at least $170. Let x = number of gigs booked Let y = monthly rate

Choose the inequality that relates the manager’s number of gigs and monthly rate to the last month’s earnings.

A) x+20y < 170
B) x+y < 170
C) y+20x > 170
D) 20x+y > or equal to 170