contestada

A bridge can hold at most 80,000 pounds. A tow truck weighing 7,000 pounds is broken down on the bridge. If the average car weights 2,800 pounds, how many cars can safety be on the bridge with the broken down tow truck.

Respuesta :

Answer:

26

Step-by-step explanation:

x = number of cars that an safety be on the bridge with the broken down tow truck.

The equation that can be used to determine the answer =

total weight the bridge can accommodate = total weight of truck + total weight of cars

total weight of cars = weight of a car x total number of cars

2800x

80,000 = 7000 + 2800x

collect like terms

80,000 - 7000 = 2800x

73,000 = 2800x

x = 73,000 / 2800

x = 26

Otras preguntas