Answer:
which class question is this
D is your answer ....
the answer is 445.5
Step-by-step explanation:
what I did was divide 50 by 495 and got 9.9 then since it took 45 minutes every 50 square feet of floor i multiplied 45 x 9.9 and got 445.5
x = 6
7 x = 56-14
7 x = 42
7 x/7 to remain with x only = 42
then x = 6
B 1,5