Kan Ken Yat Rowan's answer to Starlight's Primary 5 Maths Rate & Ratio Singapore question.
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Make the distance of both streets of Shortest Equal Distance..that is your 1 unit.
Find the diff in terms of lamps in 1 unit.
Take the "total difference of both street"(119 lamps) divide by " difference in 1 unit"
->> total number of units
Lastly, multiply the total number of units of each street and add it up to get your answer.
Find the diff in terms of lamps in 1 unit.
Take the "total difference of both street"(119 lamps) divide by " difference in 1 unit"
->> total number of units
Lastly, multiply the total number of units of each street and add it up to get your answer.
Date Posted:
5 years ago
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