Counting The Spots

Logic Level 1

Standard six-sided dice are numbered from 1 to 6 and are designed to have opposite sides add up to 7. (For example, a 3 on the top means a 4 is hidden on the bottom.) When you roll a die, there are 5 visible faces and 1 invisible face.

You roll two dice and count the number of spots on ALL visible faces, getting a total of 40. What is the sum of just the top faces?

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