Sunday, 2 January 2011

DAY 289

PIZZA PARTY

Fred's survey of 72 students found that 3 out of 8 preferred pepperoni pizza and 1 out of 8 preferred mushroom pizza. How many more students preferred pepperoni to mushroom?

Answer:

18 ........ 1/8 = 9/72 ......... 3/8 = 27/72 ........ 27 - 9 = 18

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