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The price of a book and pen together is 63 rupees the price of a book and 5 pens is 75 rupees what is the price of each |
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Answer» Answer: book= y pen = x solution, y + x = 63. y+5x=75 transposing METHOD (y-y) + (5x-x) = 75-63 4x = 12 x = 12/4 x = 3 Cost of 1 pen is ₹3 to find cost of book we will SIMPLY use algebra 1 equation = 1 book + 1 pen = 63 y+x = 63 y+3 (x =3) = 63 y = 63-3 y=60 If you want to check you can also solve 2 equation 2 equation= 1 book + 5 pen = y + 5x = y +(5×3) = 75 = y + 15 = 75 = y = 75-15 y = 60
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