pls help me i need it

Question

A building contractor is to dig a foundation

42

feet​ long,

12

feet​ wide, and

6

feet deep. The contractor pays

​$20

per load for trucks to remove the dirt. Each truck holds

8

cubic yards. What is the cost to the contractor to have all the dirt hauled​ away?A building contractor is to dig a foundation

42

feet​ long,

12

feet​ wide, and

6

feet deep. The contractor pays

​$20

per load for trucks to remove the dirt. Each truck holds

8

cubic yards. What is the cost to the contractor to have all the dirt hauled​ away?

Answer 1

42x12x6 ft = 14x4x2 yd = 112 yd^3

112/8= 14 truck loads

14x$20= $280= otal cost

or

42x12x6= 3024 ft^3

8 yd^3= 3^3 x 8 ft^3 =27x8= 216 ft^3

3024/216= 14 truck loads

14x20 = $280