Math, asked by aleena1098, 7 months ago

3 books and 10 pens , together cost rupees 145 . find the cost of 1 book and 3 pens

Answers

Answered by SHIVAMVIP2003

5

Answer:

Step-by-step explanation:

3 books 10 pens =145

1 books 2 pens = ?

let the cost of 1 book =x

and the cost of 1 pen=y

3x +10y =145

x +y =3 * 10/145

question is improper

Answered by navdeepnain50368

1

Answer:

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