Acamel is traveling at a constant speed of 3.2 miles per hour as it crosses a desert. which equation shows the relationship between t, the amount of time the camel has been traveling in hours, and d, the distance the camel has traveled in miles?
a) d = 3.2 + t
b) t = 3.2 + d
c) d = 3.2 × t
d) t = 3.2 × d