The length, L, of a rectangle is increased by 50% and the width, W, is doubled to form a larger rectangle with an area of 30 cm2. What is the largest possible perimeter of the larger rectangle if L and W are integers with L > W?
(A) 22 cm (B) 23 cm (C) 26 cm (D) 34 cm (E) 43 cm
Hello, sri340!
The lengthof a rectangle is increased by 50% and the width
is doubled to form a larger rectangle with an area of 30 cm².
What is the largest possible perimeter of the larger rectangle
ifare integers with
?
. . 22 cm} \quad\text{(B) 23 cm}\quad\text{(C) 26 cm} \quad \text{(D) 34 cm} \quad \text{(E) 43 cm})
The new rectangle has lengthand width
.
Its area is 30 cm²: .
Since
. . there are only two possible cases:
. .
The largest perimeter is 22 cm . (A)
  |
LinkBack URL
About LinkBacks