The digit '1', the first copy of '1', is in the ten thousands place. To the right of this digit is 3. Since 3 is not 5 or larger, we simply change everything after the '1' to zeros
11 bucks an hr for 40 hrs = 440......506 - 440 = 66 bucks in overtime pay 11 * 1.5 = 16.5 ...this is his overtime pay per hr 66/16.5 = 4 <== he worked 4 hrs overtime
