Question

If the cost of 5 bars of a soap is Rs.30, then the cost of one dozen bars of soap is __​

Answer 1

One dozen soaps = 12 soaps

So cost of 12 soaps= (12×30) /5

= ₹ 72

Final Answer : ₹ 72

Step-by-step explanation:

Use unitary method

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Answer 2

Solution

Cost Of 5 bars soap = Rs. 30

cost Of 1 bar soap = 30/5 = Rs. 6

1 dozen = 12 bars soap

Cost of 12 bars soap = Cost of 1 bar soap × No of Bars soap

                                    = 6 × 12

                                    = 72

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