Standard Mathematics Primary 1 Length and Mass

A red ribbon is 45 cm long. A blue ribbon is 18 cm shorter than the red ribbon. What is the total length of both ribbons?

A 72 cm
B 27 cm
C 63 cm
D 90 cm
Show Worked Solution

Worked Solution

Step 1: Find the length of the blue ribbon. 45 cm - 18 cm = 27 cm Step 2: Add both ribbon lengths together. 45 cm + 27 cm = 72 cm Answer: The total length of both ribbons is 72 cm.

Correct answer: 72 cm

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