Aparticular amusement park ride will make 156 revolutions in 180 seconds. at this rate, how many revolutions will it make in 2 minutes?

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

source

but there’s no any figure there!