AC Lim's answer to MF's Primary 6 Maths Algebra Singapore question.
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Hope this helps
Date Posted:
2 years ago
May I know as to why 4 x 90 min?
Also how wouel it change if the number of pipils were 48 puoils instead of 30?
Also how wouel it change if the number of pipils were 48 puoils instead of 30?
Each of the four badminton courts is used for 90 min (regardless of who occupies each court, each court is used for 90 min).
Hence, 4 x 90.
Hence, 4 x 90.
360 minutes of “total court time” is to be shared amongst all 30 people.
Hence, 360/30.
Hence, 360/30.
I missed the 4 courts...
So, 4 players at any 1 time at each court.
Therefore, total play time will be 16 × 90 mins. = 1440
Each students play = 1440 ÷ 40 = 48 mins.
Or 12 mins × 4 (courts) = 48 mins
So, 4 players at any 1 time at each court.
Therefore, total play time will be 16 × 90 mins. = 1440
Each students play = 1440 ÷ 40 = 48 mins.
Or 12 mins × 4 (courts) = 48 mins
But then, we are not sure whether there will be one, two or four players per court.
It’s difficult to say in this case.
It’s difficult to say in this case.
Ok I didn’t read “four players at one time”
Me too, lot of careless recently.
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