Math, asked by soumili121, 5 months ago

A sells an enlectric press to B at a profit of 5% and B sells at a loss of 5%.If C pays 23.94 for it, what doe's cost A?​

Answers

Answered by RENUSEN
3

Step-by-step explanation:

\begin{gathered}let \: x = price \: \: pay \: by \: b \\ \\ he \: sell \: on \: loss 5\%\ \: \\ \\ x - x \times 5\% = 23.94 \\ \\ \\ \\ \\ x - 5x \div 100 = 23.94 \\ \\ 100x - 5x \div 100 = 23.94 \\ \\ 95x \div 100 = 23.94 \\ \\ \\ x = 23.94 \times 100 \div 95 \\ \\ \\ x = 25.2 \\ \\ \\ b \: \: sell \: at \: 25.2 \: rupees \\ \\ \\ it \: means \: \: sell \: at \: 25.2 \: rupees \: \\ \\ \\ \: let \: y \: is \: \: real \: price \: of \: eletric \: press \\ \\ a \: sell \: at \: profit \: of \: 5\% \: \: \\ \\ \\ y + y \times 5\% = 25.2 \: \\ \\ \\ 100y + 5y \div 100 = 25.2 \\ \\ 105y \div 100 = 25.2 \\ \\ y = 25.2 \times 100 \div 105 \\ \\ y = 24 \: \: \\ \\ the \: \: real \: price \: of \: eletric \: press \: is \: 24 \: rupees\end{gathered}

letx=pricepaybyb

hesellonloss5%

x−x×5%=23.94

x−5x÷100=23.94

100x−5x÷100=23.94

95x÷100=23.94

x=23.94×100÷95

x=25.2

bsellat25.2rupees

itmeanssellat25.2rupees

letyisrealpriceofeletricpress

asellatprofitof5%

y+y×5%=25.2

100y+5y÷100=25.2

105y÷100=25.2

y=25.2×100÷105

y=24

therealpriceofeletricpressis24rupees

I hope this helps you


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