Answer:
Width is 72 cm and the length is 108 cm
Step-by-step explanation:
Since the scale is 4 cm:30 ft
Divide both the width and length of the rectangle playground to match the dimensions of Martina's scale model.
540÷30=18 ft 810÷30=27 ft
To match the Martina's scale model of 4 cm:30 ft, multiply 18 ft and 27 ft by 4