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primary 5 chevron_right Maths chevron_right Singapore

Kindly advise how to solve this. Thanks!

Date Posted: 2 months ago
Views: 29

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Venuraam's answer
5 answers (Tutor Details)
So since the number of buns is an unknown we'll label it as x. Since she made 150 more sausage buns than sardine buns, we'll say:

Total number of sausage buns at first = x + 150
Total number of sardine buns at first = x

Since she has 86 buns after selling 4/5 of sausage buns and 1/2 of sardine buns. The remaining number of sausage buns will be 1/5 sausage buns and 1/2 sardine buns which is equivalent to 86.
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Henry Tan
Henry Tan's answer
359 answers (A Helpful Person)
Model method. I have uploaded steps by steps video presentation on YouTube “ezmath/primary/model (challenging) #13