Question

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Q). Meera wants to buy 7 packets of pasta. Find the amount she has to pay if 9 packets cost Rs 279 ?

Answer 1

Dear Student,

$$\begin{gathered} Costof9packets=279 \\ \Rightarrow Costof1packets=\raisebox{1ex}{$279$}\!\left/ \!\raisebox{-1ex}{$9$}\right.=31 \\ Costof7packets=Costof1packets\times 7 \\ \Rightarrow Costof7packets=31\times 7=217Rs \\ Regards \end{gathered}$$