If C° Celsius is the same temperature as F° Fahrenheit, then . To avoid working with fractions and awkward numbers, some people use the approximate formula .
What is the temperature in degrees Celsius when the approximate formula gives an answer which is too large by 1?
Sign in or create an account to reveal answers, view the solution, and save your progress. Create a free account to unlock practice and keep track of your work.
Intermediate Mathematical Challenge 1998 (1998)
One puzzle per day. Cryptarithm, Magic Square, Summit. No sign-up required to play.
Play daily puzzle →Interactive problems and curated lessons—water pouring, magic squares, knight's tour, and more.
Browse library →See how you rank. Top solvers by problems solved correctly. Sign in to climb the ranks.
View leaderboard →Intermediate Mathematical Challenge 1998 (1998)