Answer:incorect the correct answer is !D!
Answer: $11.2
Step-by-step explanation:
Given
Cora bought 90 feet cable for
So, the price of a foot is the division of rate and length
for additional 40 feet, the cost is
Thus, Cora pays $11.2 for extra 40 feet
(8*5*4) + (4*4*4)
8*5*4 for the prism at bottom
4*4*4 for the cube on the top