Alibary has 2000 books. there are 3 times as many non fiction books as fiction books. write and solve a system of equations to determine the number of nonfiction and fiction books.

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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step-by-step explanation:

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