The total cost of purchasing two pens and three pencils is rs. 42. Express the statement as a linear equation in two variables. -Maths 9th

The total cost of purchasing two pens and three pencils is rs. 42. Express the statement as a linear equation in two variables. -Maths 9th
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Let cost of a pen and a pencil be “x” and “y” respectively. A girl pays ₹16 for 2 pens and 3 pencils. Write the given data in the form of a linear equation in two variables. Also represent it graphically. -Maths 9th

Description : Let cost of a pen and a pencil be “x” and “y” respectively. A girl pays ₹16 for 2 pens and 3 pencils. Write the given data in the form of a linear equation in two variables. Also represent it graphically. -Maths 9th

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Hari has some two rupee and five rupee coins .The total amount with him is rs. 43. Express the given information as a linear equation in two variables. -Maths 9th

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Average cost of 10 pens is rupees 200 & average cost of 10 pencils is 100 rupees find the average cost of the all pens and pencils​ -Maths 9th

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Last Answer : 10 pens of average cost = 200 => 10×200 = 2000 rupees 10 pencils average cost = 100 rupees => 10×100=1000 Pens + Pencils = 20 Total average 2000+1000 = 3000 Rupees 150 is average for average cost of each pen and pencil ✏

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