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If the cost o...

Question

If the cost of a dozens soap is 460.80 , what will be the cost of :
(i) each soap (ii) 15 soaps
(iii) 3 dozen soaps

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Solution

Cost of dozen soaps $460.80$

Cost of one soap $\frac{460.80}{12} = 38.4$

Cost of $15$ soaps $\frac{460.80 \times 15}{12} = 38.4 \times 15 = 576$

Cost of $3$ dozens $3 \times 460.80 = 1382.4$

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