1700 pupils. 16% car, 18% bus, 64% walk, the rest cycle.<br><br>
&bull; Percentage cycle = 100% − 16% − 18% − 64% = 2%<br>
&bull; Number who cycle = 2% of 1700 = \(\frac{2}{100} \times 1700\) = 2 × 17 = 34<br><br>
Final Answer: 34