Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.

Q: Problem: on her annual road trip to visit her family in seal beach, california, traci stopped to rest after she traveled 1 ⁄ 3 of the total distance and again after she traveled 1 ⁄ 4 of the distance remaining between her first stop and her destination. she then drove the remaining 300 miles and arrived safely at her destination. what was the total distance, in miles, from traci ’ s starting point to seal beach ?
Options: a. 600, b. 300, c. 350, d. 400, e. 550

A: a
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Q: Problem: if jack walked 8 miles in 1 hour and 15 minutes, what was his rate of walking in miles per hour ?
Options: a. 4, b. 4.5, c. 6, d. 6.4, e. 15

A: d
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Q: Problem: the length of a rectangle i s two - fifths of the radius of a circle. the radius of the circle is equal to the side of the square, whose area is 1225 sq. units. what is the area ( in sq. units ) of the rectangle if the rectangle if the breadth is 10 units ?
Options: ['a. 140 sq. units', 'b. 149', 'c. 148', 'd. 17', 'e. 143']

A:
a
****