To travel 76 miles, it takes Sue, riding a moped, 3 hours less time than it takes Doreen to travel 84 miles riding a bicycle. Sue travels 7 miles per hour faster than Doreen. Find the times and rates of both girls.
A. Sue: 19 mph for 4 hours, Doreen: 12 mph for 7 hours
B. Sue: 12 mph for 4 hours, Doreen: 19 mph for 7 hours
C. Sue: 23 mph for 8 hours, Doreen: 16 mph for 11 hours
D. Sue: 4 mph for 19 hours, Doreen: 12 mph for 7 hours
E. Sue: 29 mph for 4 hours, Doreen: 22 mph for 7 hours
Answer: A
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