Yxcas's answer to Ruby's Primary 6 Maths Singapore question.
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a)
(50p - 9p - 80 - 12p) / 2
= (29p - 80) / 2
= (29/2)p - 40
b)
50p = 400
p = 8
(29/2)(8) - 40 = 116 - 40 = $76
(50p - 9p - 80 - 12p) / 2
= (29p - 80) / 2
= (29/2)p - 40
b)
50p = 400
p = 8
(29/2)(8) - 40 = 116 - 40 = $76
Date Posted:
3 months ago
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