A grocer bought 45 boxes of plum at RM18 per box and 20 boxes of grapes at RM12.50 per box. The operating expenses incurred were 10% of the total cost. If the grocer wants a net profit of 25% based on the total selling price, find i) the total selling price. iii) the maximum percentage of mark down that could be offered without incurring any loss.

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Chapter2: Second-order Linear Odes
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Do i and ii 

c)
A grocer bought 45 boxes of plum at RM18 per box and 20 boxes of grapes at
RM12.50 per box. The operating expenses incurred were 10% of the total cost. If the
grocer wants a net profit of 25% based on the total selling price, find
the total selling price.
i)
iii)
the maximum percentage of mark down that could be offered without incurring
any loss.
Transcribed Image Text:c) A grocer bought 45 boxes of plum at RM18 per box and 20 boxes of grapes at RM12.50 per box. The operating expenses incurred were 10% of the total cost. If the grocer wants a net profit of 25% based on the total selling price, find the total selling price. i) iii) the maximum percentage of mark down that could be offered without incurring any loss.
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