an odd number to, the result will be odd. (E) can never be odd because if
an even divided by an odd gave you an integer at all, that integer would
have to be even.11 . B
Mark up the figure:
You can see that12 . C
If Jean can do the whole job in 10 hours, then it takes her
to do of the job. If Dan can do the whole job in 12
hours, then it takes him hours to do the other of the job.
Thus, together, it takes them hours, or 11 hours and 20
minutes, to paint the house.
13 . D
Plug a = 4b and c = 8b^2 into the expression: