JADE LEE ZI QI's answer to Merlion's Secondary 2 Maths Singapore question.
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Inverse Proportion
Or
Calculate total of manned days
Men x days = total manned days
Find days = totalmanned days / men
12 x 20 = 240
240 / 15 = 16
Or
Calculate total of manned days
Men x days = total manned days
Find days = totalmanned days / men
12 x 20 = 240
240 / 15 = 16
Date Posted:
2 years ago
Thanks for using the 2 methods to explain
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