John can eat a quarter of a pizza in one minute. How long does it take John to eat one pizza and a half?	Choose the correct choice from the following answers:
A) 20 minutes.
B) 17 minutes.
C) 5 minutes.
D) 12 minutes.
E) 6 minutes.
The above problem could also be solved by dividing the mixed number 1 and 1/2 by 1/4   1 (1/2) ? 1 / 4 = 3 / 2 ? 4 / 1 = 6 minutes.   correct answer 6 minutes.
<result>E</result>
John can eat a quarter of a pizza in one minute. How long does it take John to eat one pizza and a half?