Sam has 4 steps each of 5 cm, 3 steps each of 7 cm, and 2 steps each of 9 cm. Which step is the longest?
Answer
9 cm
The correct answer is 9 cm — The longest step is 9 cm.
Step-by-step solution
- Identify all step lengths: 5 cm, 7 cm, and 9 cm.
- Compare the lengths: 5 cm < 7 cm < 9 cm.
- The longest step is 9 cm.
Common mistake: Confusing number of steps with length
Concept tested: Identify longest step
Published · How this solution was prepared and checked
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