Question: John left home and drove at the rate of 35 mph for 2 hours. He stopped for lunch then drove for another 3 hours at the rate of 55 mph to reach his destination. How many miles did John drive?
Options:
(A) 235 miles.
(B) 245 miles.
(C) 255 miles.
(D) 265 miles.
(E) 275 miles.
Ans: (A)
CoT: The total distance D traveled by John is given by
D = 35 * 2 + 3 * 55 = 235 miles.
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Question: 25 children are going to a picnic. What is the smallest number of cakes that must be brought to the picnic so that each child receives the same number of cakes?
Options:
(A) 35
(B) 40
(C) 15
(D) 75
(E) 9
Ans: (D)
CoT: The number of children going to the picnic are 25
The answer will be D because only 75 is divisible by 25
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Question: The edge of a cube is 7a cm. Find its surface?
Options:
(A) 24a8
(B) 24a4
(C) 24a1
(D) 24a2
(E) 294a2
Ans: (E)

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
CoT: 6a2 = 6 * 7a * 7a = 294a2
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