Solve the problem.The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 60 feet and 
walls requires 
of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 75 feet and 6-foot walls.
A. 4.5 qt
B. 45 qt
C. 450 qt
D. 9 qt
Answer: A
Mathematics
You might also like to view...
Use identities to find the indicated value for each angle measure.cos 2? = 
and ? terminates in quadrant III
Find cos ?.
A. cos ? = - 
B. cos ? = - 
C. cos ? = 0
D. cos ? = 
Mathematics
Simplify.
3
A. 
B. 
C. 
D. 
Mathematics
Solve the joint variation.If m varies jointly as x and y, and m = 24 when x = 6 and y = 9, find m when x = 15 and y = 8.
A. 60
B. 
C. 
D. 
Mathematics
Use the information in the table to solve the problem. Write your answer as a fraction in lowest terms.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater.
Find the ratio of pollutant C to pollutant D.
A. 
B. 
C. 
D. 
Mathematics