2014 AMC 10B Problem 14


Danica drove her new car on a trip for a whole number of hours, averaging 5555 miles per hour. At the beginning of the trip, abcabc miles was displayed on the odometer, where abcabc is a 3-digit number with a1a \ge 1 and a+b+c7a + b + c \le 7 . At the end of the trip, the odometer showed cbacba miles. What is a2+b2+c2a^2 + b^2 + c^2 ?

(A) 26(B) 27(C) 36(D) 37(E) 41\textbf {(A) } 26 \qquad \textbf {(B) } 27 \qquad \textbf {(C) } 36 \qquad \textbf {(D) } 37 \qquad \textbf {(E) }41


Full credit goes to MAA for authoring these problems. These problems were taken on the AOPS website.

Show/Hide Hints

Show/Hide Problem Tags

Problem Tags: Algebra

Want to contribute problems and receive full credit? Click here to add your problem!
Please report any issues to us in our Discord server
Go to previous contest problem (SHIFT + Left Arrow) Go to next contest problem (SHIFT + Right Arrow)
Category: AMC 10B
Points: 3
Back to practice