Answer:
Total blue ribbon required = 1900 cm or 19 meter
Given:
Each costume required = 38 cm ribbon
Number of costume = 50
Find:
Total blue ribbon required
Computation:
Total blue ribbon required = Each costume required × Number of costume
Total blue ribbon required = 38 cm × 50
Total blue ribbon required = 1,900 cm
Total blue ribbon required = 1900 cm or 19 meter