Question

7 dozens of orange costs rupees 91.find the cost of 19 dozens

Answer 1

7 dozens = 7 x 12 = 84 oranges
84 oranges costs Rs 91
19 dozens = 19 x 12 = 228
1 orange costs = 91 divided by 84 
1 orange costs = Rs 1.083
228 oranges cost = 228 x 1.0833333333333
228 oranges = 19 dozen oranges = Rs 247

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