AC Lim's answer to Wilson Kwek's Primary 6 Maths Singapore question.
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December
A= 2u
B= 2u
C= 2u
November
A= 2u-180
B= 1u
C= 2u + 110
Total 5u -70
Given total $1830
5u -70 = 1830
5u = 1900
1u = 380
a) A expenditure = 2u = 2 x 380 = $760
b) C November expenditure = 2u+110
= 760+110
= $870.
Hope this helps
A= 2u
B= 2u
C= 2u
November
A= 2u-180
B= 1u
C= 2u + 110
Total 5u -70
Given total $1830
5u -70 = 1830
5u = 1900
1u = 380
a) A expenditure = 2u = 2 x 380 = $760
b) C November expenditure = 2u+110
= 760+110
= $870.
Hope this helps
Date Posted:
4 years ago
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