Tan Kok Siang's answer to Potato's Primary 5 Maths Percentage Singapore question.
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Qn 11:
a)
Taking amount of money initially as 1.
Amount spent on books = 2/3
Amount left after spending on books = 1/3
Amount spent on drawing set = 3/5 of 1/3
= 1/5 of initial money
Amount left to save = 1 - 2/3 - 1/5
= 2/15 of original (Answer)
b)
$248 = 2/15
Original amount = $1860 (Answer)
a)
Taking amount of money initially as 1.
Amount spent on books = 2/3
Amount left after spending on books = 1/3
Amount spent on drawing set = 3/5 of 1/3
= 1/5 of initial money
Amount left to save = 1 - 2/3 - 1/5
= 2/15 of original (Answer)
b)
$248 = 2/15
Original amount = $1860 (Answer)
Date Posted:
3 years ago
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