One invoicing machine produces at the rate of 7,700 per hour, and the other at the ... Within a computer service company, 20 percent of the male employees and ... Five years later, an accountant calculated that if the company had purchased ... paid a $100 monthly maintenance charge, the company would have saved $700.
We know that: time=distance/speed if the tortoise speed is x m/min, then since 0.5 m/hr=1/120 m/min 18/x=23+18/(x+1/120) solving for x we get: x=0.08 m/min speed of hare is: (0.08+1/120)=0.088 m/min