a driver covers 100 miles in 4 hours. during the first hour he rode 16 3/4 miles;during the second hour , 25 1/2 miles; and during the third hour 21 1/8 miles. how many miles did he ride during the fourth hour?
+2552
a driver covers 100 miles in 4 hours. during the first hour he rode 16 3/4 miles;during the second hour , 25 1/2 miles; and during the third hour 21 1/8 miles. how many miles did he ride during the fourth hour?
This is just arithmetic. 4th leg = (total distance) minus (distance already travelled)
4th = 100 – ( 163/4 + 251/2 + 211/8 ) need equivalent fractions with a common denominator
= 100 – ( 166/8 + 254/8 + 211/8 )
= 100 – ( 6211/8 )
= 100 – ( 633/8 )
= 365/8 mi
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