Area of the yard is 40 .20 = 800sq ft time taken = 25 mins time taken to mow 1sq ft = 25/800 mins time taken to mow 40 .30 =1200sq ft = ( 25 .1200)/800 = 371/2 mins thus the extra time taken will be 371/2-25 = 121/2 mins
<span>Last week, Rosa ran 6 1/4 laps around the lake. Clara ran 1/5 as many laps around the lake as Rosa did. How many laps around the lake did Clara run?</span>
