Question 829257
Alex paints 1/2 of a wall 6 feet by 9 feet in 1/5 of an hour.
 Find the work rate.
 Alex paints at a rate of how many square feet per hour?
 Round to nearest tenth if necessary .
:
Find half the area of a 9 by 6 ft wall
{{{1/2}}} * (6*9) = 27 sq ft in 1/5 hr
therefore 5 * 27 = 135 sq/ft, his rate per hr