SOLUTION: If the length and the width of a rectangle are both tripled, the ratio of the area of the original rectangle to the area of the enlarged rectangle is (A) 1 : 18 (B) 1 : 9 (C) 1

Question 266992: If the length and the width of a rectangle are both tripled, the ratio of the area of the original rectangle to the area of the enlarged rectangle is
(A) 1 : 18 (B) 1 : 9 (C) 1 : 6 (D) 1 : 3 (E) none of these

Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let the width be x
and the length be y
both are tripled
so they beome 3x and 3y
arae of originl area = xy
area of the increased area = 9xy
their ratio = xy/9xy
the ratio will be 1:9

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