The price of 18 pens and 33 pencils is ₹282.What will be the price of 30 pens and 55 pencils?

Question

Answer 1

Let pen and pencil rates are x and y, now acco. To que., we have 18x+33y=282 by assuming value of equation we get x=12&y;=2,on putting
in equation 30x+55y=470 ans.

Answer 2

Let pen and pencil rates are x and y, now acco. To que., we have 18x+33y=282 by assuming value of equation we get x=12&y;=2,on putting
in equation 30x+55y=470 ans.

Answer 3

can't be determined as there are 3 variables but only two relations

Answer 4

can't be determined as there are 3 variables but only two relations

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The price of 18 pens and 33 pencils is ₹282.What will be the price of 30 pens and 55 pencils?