Expected value with calculated probabilities

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Problem

Vlad is playing a dice game with Ulga.
Vlad will roll 2 six-sided dice, and if the sum of the dice is divisible by 3, he will win dollar sign, 6. If the sum is not divisible by 3, he will lose dollar sign, 3.
What is Vlad’s expected value of playing this game?
Round your answer to the nearest cent.
dollar sign
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0, point, 75
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4