Question

The cost of one dozen mangoes is rs 144 . the cost of 19 mangoes will be ?​

Answer 1

Step-by-step explanation:

$1 \: dozen \: = \: 12 \\ 12 \: mangoes \: = \: 144 \: rs \\ 1 \: mango \: = \: \frac{144}{12 } \\ = 12 \: rs \\ 19 \: mangoes \: = \: 12 \: \times \: 19 \\ = 228 \: rs$

The total cost of 19 mangoes is 228 rupees.

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Answer 2

Answer:

Rs. 228

Step-by-step explanation:

One dozen = 12

12 bananas = Rs. 144

1 banana = 144 ÷ 12 = Rs. 12

19 bananas = Rs. 144 + [(19 - 12) × Rs. 12]

                   = Rs. 144 + [7 × Rs. 12]

                   = Rs. 144 + Rs. 84

                   = Rs. 228