Question 1076901

Josh can row a boat at an average speed that is eight times as fast as his average swimming speed. It takes him 80 minutes more to swim 4 laps in a lake than to row 4 laps. How fast is his average swimming speed in laps per minute? Round your answer to two decimal places.
<pre>{{{highlight_green(matrix(1,9, Average, swimming, "speed:", "0.04375,", or, .04, laps, per, minute))}}}