if 7 pencils would cost you rs 6 more than 5 pencils, then find the cost of your 10 pencils

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Solution

$Dear Student, Let cost of 1 pencil = Rs . x So, cost of 7 pencil = Rs . 7 x cost of 5 pencil = Rs . 5 x Now, according to the question; 7 x = 5 x + 6 \Rightarrow 7 x - 5 x = 6 \Rightarrow 2 x = 6 \Rightarrow x = 3 So, cost of 1 pencil = Rs . 3 Therefore, cost of 10 pencil = Rs . 3 \times 10 = Rs . 30 Regards .$

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if 7 pencils would cost you rs 6 more than 5 pencils, then find the cost of your 10 pencils

Dear Student,Let cost of 1 pencil =Rs. xSo, cost of 7 pencil= Rs. 7xcost of 5 pencil= Rs. 5xNow, according to the question;7x=5x+6⇒7x-5x=6⇒2x=6⇒x=3So, cost of 1 pencil = Rs. 3Therefore, cost of 10 pencil=Rs. 3×10=Rs. 30Regards.