Felicia collects $1 for every car and $2 for every truck passes through the toll gate. if she collects $550, and 200 cars came through the gate, how many trucks came through the gate?

The money she made with 200 cars is:

The money she made with the trucks:

The number of trucks came through the gate:

So there were 175 trucks came through the gate.

$4

Step-by-step explanation:

She charges $16 upfront

$4x + $16

The $16 charges upfront is the $16 in bold.

The $4x is the amount she charges depending on the hours.

The number of hours is x. The amount she charges per hour is $4.

$4