Question

Meera wants to buy 7 packets of pasta. Find the amount she has to pay if 9 packets cost * 279.​

Answer 1

Answer:

Rs. 217

Step-by-step explanation:

9 packets of Pasta cost     = Rs. 279

cost of 1 packet of Pasta   = 279/9

                                           = Rs. 31

cost of 7 packets of Pasta = 31 × 7

                                           = Rs. 217

Therefore cost of 7 packets of Pasta is Rs. 217

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Answer 2

$the \: cost \: of \: 9 \: packet \: pasta \: = 279 \\ \: the \: cost \: of \: 1 \: packet \: pasta = \frac{279}{9} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 31 \\ the \: cost \: of \: 7 \: packet \: pasta = 31 \times 7 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 217 \: \\ so \: the \: cost \: of \: 7 \: packet \: pasta \: is \: 217$

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