17.5 * 100 / 51 =
1750 / 51 = 34.31
Question: 17.5 is what percent of 51?
Step 1: Multiple the first number (17.5) by 100.
17.5 * 100 = 1750
Step 2: Divide step one's result (1750) by the second number (51).
1750 / 51 = 34.31
Result: 17.5 is 34.31% of 51.