Question

The expression 35+45x represents a train's distance, in miles, from a terminal after x hours of travel. How far was the train from the terminal at the beginning of its journey?

A. 35 mi
B. 45 mi
C. 10 mi
D. 80 mi

Answer 1

D. 80 Miles.

Explanation:

Well, the train has yet to prosper, therefore little to no math needs to be preformed. just replace x with 1. 45 times 4 is 45 and add 35. you get 80 miles.