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Question
primary 5 | Maths
| Rate & Ratio
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N
40 doughnut left $5
50 doughnut need $15 more.
Price different between 40 and 50 doughnut is 15+5=20
Meaning to say 10 doughnut cost 20 bucks.
Find the cost of 1 doughnut and finish the rest of the equation.
Good luck.
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