Respuesta :

Drone = $300

4 Extra Set Of Propellor = 4(25$) = $100

Answer:

400

Step-by-step explanation:

The cost is arrived to by adding the initial cost of the drone to the total cost of all the extra propellers. The cost of per propeller due to tax being 25 we get the following expression.

That is: 300+ 4(25)

=400