Sunday, October 3, 2010

Fraction P6 2010 SA2 Nanyang P2 Q16

Mrs Reuten bought some pizzas for a group of children. The girls received thrice as many pizzas as the boys. There were an equal number of girls and boys. Each boy ate 2/9 of a pizza and the boys finished all the pizzas given to them. Each girl ate 1/6 of a pizza and the girls had 4½ pizzas left. How many pizzas did Mrs Reuten buy? [5 marks][Answer given: 8 pizzas]


2/9 : 1/6 = 4 : 3       Multiply by 18

G [][][][][][][][][][][][]
B [][][][]

9 u --> 4 1/2

16 u --> 16/9 x 9/2 = 8 pizzas

It was 8 pizzas.

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