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Wednesday, February 17, 2010

Nanyang Pri Sch 2009 P6 CA1 Math Paper 2 Q9

Nigel had a total of 227 durians and pears. He sold half of the durians and bought another 40 pears. As a result, he had an equal number of durians and pears.
a) How many durians were there at first?
b) How many pears were there at first?

Solution


(a)


3 units --> 267
1 unit --> 267 divided by 3 = 89

(Durians) 2 units --> 2 x 89 = 178

Answer: 178 durians


(b)
(Pears) 1 unit - 40
--> 89 - 40 = 49

Answer: 49 pears