Question

using the formula r=d/t where d is the distance in miles l, r is the rate, and t is the time in hours, at which rate must you travel to cover 213.5 miles in 2.5 hours?

Answer 1

r = d/t
d = 213.5
t = 2.5
now we sub into the formula
r = 213.5 / 2.5
r = 85.4