[Ans] (C)
[Question] You are filling up your car with gas. Your tank can hold 19 gallons. Your car started with x gallons in it. You paid $20 in gas. What was the cost of gas per gallon?
Options:
(A) 19/20
(B) x/20
(C) (19-x) /20
(D) x-19) /20
(E) 19+20/x
[CoT] Amount of gas you added to your car: 19-x
Price per gallon: (19-x)/20

[Ans] (E)
[Question] How many positive integers less than 60 have a reminder 01 when divided by 3?
Options:
(A) 13
(B) 14
(C) 15
(D) 16
(E) 20
[CoT] 1 also gives the remainder of 1 when divided by 3. So, there are total of 20 numbers.

[Ans] (D)
[Question]

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
What approximate value should come in place of the question mark (?) in the following equation’?
3 3⁄5 of 157.85 + 39% of 1847 = ? – 447.30
Options:
(A) 1200
(B) 1500
(C) 1600
(D) 1800
(E) 2100
[CoT] ? ≈ 18⁄5 × 160 + 40⁄1000 × 1850 + 450
≈ 576 + 740 + 450 ≈ 1760 ≈ 1800