Question

The cost of 4 pencil boxes is Rs 100 . Three times the cist of a pen is Rs 15 more than the cost of a pencil box . Form the pair of linear equations for the above situation. Find the cost of a pen qnd a pencil box .

Answer 1

THANKS FOR THE QUESTION !

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GIVEN :

=> COST OF 4 PENCIL BOXES :

=> 100

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COST OF 1 PENCIL BOX :

=> COST / NO. OF PENCIL BOXES

=> 100 / 4

=> 25 RS

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COST OF ONE PEN :

=> 15 MORE THAN COST OF 1 PENCIL BOX / 3

=> 15 + 25 / 3

=> 40 / 3

=> 13.33 Rs

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=> LINEAR EQUATION FOR PEN :

LET,

=> THE COST OF PENCIL BOX :

=> X RS

=> COST FOR PEN :

=> 15 + X / 3

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HOPE IT WILL HELP U......

THANKS AGAIN....

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