Question

WILL MEDAL


A transport company needs to deliver 300 pounds of rocks to a construction site. The company owns a set of dump trucks- each with a container in the shape of a rectangular prism (figure A). If each pound of rock has a mass of 8 cubic feet, how many dump trucks will it take to transport the rock?

(supposed to be a pic here of a rectangular prism with H:8 W:9 and L:12)

A. Calculate the total volume of rock that the transport company is responsible for.
B. Calculate the maximum volume of each dump truck.
C. How many trucks are needed to deliver the rock in one trip.

Answer 1

Find the volume of the container of the dump truck.

V = lwh

8 * 9 * 12 = ?

Answer 2

864 cubic ft

Answer 3

Yep

Answer 4

Each pound of rock is 8 cubic feet.

300 * 8 = ?

Answer 5

2400

Answer 6

Yep, so that's the volume of the rock..

Answer 7

That takes care of A and B.

Answer 8

Now divide 2400 / 864

Answer 9

2.78

Answer 10

Yep, so about 3 trips.

Answer 11

\(\bbox [10pt, lime, border:5pt solid black]{\huge\cal\color{red}\succ\color{blue}{Welcome\ to\ \color{#00A1FF}{Open}\color{#329932}{Study!\color{red}\prec}}}\)

You can give medals by clicking 'Best Response'.

Answer 12

ok i get it now and thanks

Answer 13

No problem.