Question

richard built a model of a ferris wheel the model has a height of 18 cm the actual ferris wheel has a height of 72m what scale factor did richard use for the model

Answer 1

1:400

Explanation:

1 m = 100 cm

72 m = 7200 cm

Ratio of model size to real size

18 cm : 7200 cm

Divide both numbers by 18.

1 cm : 400 cm

Divide both sides by cm.

1:400