Question 12

A board is 1 m 20 cm long and a tile is 45 cm long. Which is the simplest ratio of board length to tile length?

3:8
8:3Bonne réponse
120:45
1.2:45

Explication

The board is 120 cm long, so the comparison is 120:45 and division by 15 gives 8:3. The ratio 3:8 reverses the requested order, while leaving 120:45 unchanged is not simplest.

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Question 12: A board is 1 m 20 cm long and a tile is 45 cm long. Which… · Ratios and Proportions · Questena