Hello, sri340!

The length of 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

if and are integers with ?

. .

The new rectangle has length and width .

Its area is 30 cm²: .

Since and are integers with

. . there are only two possible cases:

. .

The largest perimeter is 22 cm .(A)