SOLUTION: I know this is D=rt, I have trouble setting up the problem. Tnank you for your help. Chuck drove a distance of 1343 miles. part of the way he drove at 60 mph and part of the way

Question 226296: I know this is D=rt, I have trouble setting up the problem. Tnank you for your help.
Chuck drove a distance of 1343 miles. part of the way he drove at 60 mph and part of the way he drove at 70 mph. If he drove for 0.5 hour more at 60 mph than he did at 70 mph, determine the time Chuck drove at 60 mph.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
60(t) + 70(t - .5) = 1343

distributing ___ 60t + 70t - 35 = 1343 ___ 130t = 1378
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