The price of a book is 20 more than the cost of a copy. Write an expression for the cost of copy by taking the cost of book to be Rs x.

20x

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x/20

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x + 20

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x – 20

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Solution

The correct option is D
x – 20

Price of the book is x. Since, price of the book is 20 more than price of the copy, hence, price of the copy will be x - 20.

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The price of a book is 20 more than the cost of a copy. Write an expression for the cost of copy by taking the cost of book to be Rs x.

The correct option is D x – 20 Price of the book is x. Since, price of the book is 20 more than price of the copy, hence, price of the copy will be x - 20.

The correct option is D
x – 20

Price of the book is x. Since, price of the book is 20 more than price of the copy, hence, price of the copy will be x - 20.