33. On a particular day, the campus bookstore sold 30 T-shirts. White ones cost $9.95 and yellow ones cost

$10.50. Total sales of T-shits were $310.60. How many white shirts were sold?

34. Referring back to the prior problem, how many yellow shirts were sold?

35. If working alone, Marcus can paint a room in 3.15 hours. Working together with Claudia, they can both

paint the room in 2.09 hours. How long would it take Claudia working alone to paint the room?

36. An airplane leaves Louisville for Cleveland at a speed of 475 mph. Twenty minutes later; a plane heading

for Louisville leaves Cleveland, which is 350 miles from Louisville at a speed of 500 mph. When they meet,

how far are they from Cleveland?