AC Lim's answer to WONG Yong chong's Primary 6 Maths Singapore question.
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Basketball 3—>$80
12—> $320
Tennis 4—->$30
12 —-> $90
For 12 ball each, the different price 320-90=230
Given spent $690 more on basketball
$690/230= 3 sets of 12 ball each ball.
Therefore basketball they bought 3 x 12 = 36 balls.
12—> $320
Tennis 4—->$30
12 —-> $90
For 12 ball each, the different price 320-90=230
Given spent $690 more on basketball
$690/230= 3 sets of 12 ball each ball.
Therefore basketball they bought 3 x 12 = 36 balls.
Date Posted:
4 years ago
Oh.. Now I understand
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