Scale drawing of the gym. A rectangle with length 9 centimeters and width 4 centimeters.

StartFraction 1 centimeter over 10 meters EndFraction = StartFraction 9 centimeters over new length EndFraction. (1) (new length) = (10) (9). New length = 90 meters.

Using the scale 1 cm : 5 meters, Tamara calculated the length of her old gym to be 45 meters and the width to be 20 meters.

Using a new scale, 1 cm : 10 meters, she found the length of the new gym to be 90 meters.

The width of the new gym is
meters.
The length and width of the new gym are
times the length and width of the old gym.