Matthias Tan's answer to Tan Ziyu's Primary 6 Maths question.
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Total cost x /total number y =14
(X+34)/(y+1)=16
X=14y
14y+34= 16y +16
2y=18
Y=9
Total cost initially is x =$126
(X+34)/(y+1)=16
X=14y
14y+34= 16y +16
2y=18
Y=9
Total cost initially is x =$126
Date Posted:
7 years ago
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