Q24. - Geometry

Question

A driveway 30 m long and 5 m wide is to be paved with blacktop 3 cm thick. How much will the blacktop cost if it is sold at the price of $175 per cubic meter?

Step-by-Step Solution

Answer

The blacktop cost is $\$787.50$ when the driveway sold at the price$\$175$ of  per cubic meter.

Step 1. Given information.

Length and width of driveway is and the blacktop is 3 cm thick.

Step 2. Determine the cost.

A cubic meter is${10}^6{\text{cm}}^3$ .

Then, the cost is

$\begin{array}{c}\text{Cost}=[30\times 5\times \frac{3}{100}]\left(175\right)\\ =[3\times 5\times \frac{3}{10}]\left(175\right)\\ =[3\times 5\times \frac{3}{10}]\left(175\right)\\ =\$787.50\end{array}$

Thus, the blacktop cost is $\$787.50$ when the driveway sold at the price of$\$175$  per cubic meter.