Question 49490
DISTANCE=RATE*TIME OR TIME=DISTANCE/RATE SO THE TIME FOR THE 2 TRIPS 

D/24+D/18=4.9 HOURS OR (18D+24D)/24*18=4.9 OR 42D/432=4.9 OR 42D=432*4.9 OR

42D=2116.8 OR D=2116.8/42 OR D=50.4 MILES TO THE NEARBY TOWN