Question

Horatio needs to rent a car while on vacation. The cost of the vehicle is $18 per day. He gives the office manager $130 up front. If x represents the number of days and y represents the total cost of the rental, which equation will help Horatio determine if he owes the agency money at the end of his trip or if the agency owes him money?

Answer 1

answer choices (please post these next time)

y=$18x+$130
y=$18x-$130
y=$130-$18
y=$130x+$18

Answer 2

the vehicle costs $18 per day, for x days
therefore, the total cost over x days ---> 18*x

this narrows us down to choices 1 and 2

now, notice that the 130 counts towards paying the expense, whereas 18x increases the expense. therefore, 130 and 18x should have opposite signs.