AC Lim's answer to Slv's Primary 6 Maths Percentage Singapore question.
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Each boy and girl received same = 1u
Total boy received = 8u
Total girl received = 6u
Boy gave 60% to girl = 8u×60% = 4.8u
Total girl now = 6u+4.8u =10.8u
Therefore, 10.u = 1512,
1u= 140
a) Boys left = 8u-4.8u
=3.2u
=3.2×140
=448
b) Total buns= 8u+6u
=14u
= 14×140
= 1960.
Hope this helps.
Total boy received = 8u
Total girl received = 6u
Boy gave 60% to girl = 8u×60% = 4.8u
Total girl now = 6u+4.8u =10.8u
Therefore, 10.u = 1512,
1u= 140
a) Boys left = 8u-4.8u
=3.2u
=3.2×140
=448
b) Total buns= 8u+6u
=14u
= 14×140
= 1960.
Hope this helps.
Date Posted:
3 years ago
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