I think what you are looking for is 5x=300 therefore x=60 so at 60cars he would start to make more.
If the truck is 14,000 pounds and increases by 2 tons yes. However if it is above 14,000 then no it will not be a class 4 truck.
Answer:

Step-by-step explanation:
The rates are additive: you can calculate the<em> inlet </em>rate and the <em>outlet</em> rate and add them algebraically, i.e. the inlet rate will be positive and the outlet rate will be negative.
<u>1. Inlet rate:</u>

<u />
<u>2. Outlet rate:</u>

<u>3. Net rate:</u>

<u>4. Time to fill the vat</u>


Answer:
Step-by-step explanation:
The existence of a unit rate implies that you have TWO variables. Here you list only one: $.
If you pay $2.98 for 6 units of something, such as pieces of fruit, then the unit rate would be:
$2.98
----------------------- = $0.50/piece
6 pieces of fruit
Use a calculator bruhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh