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samanthamunevar7218
21.10.2020 •
Mathematics
Lucy and Cody were playing a board game. They rolled a die 142 times. An even number was rolled 56 times. A one was rolled 21 times. A three was rolled 34 times. How many times was a five rolled? Select the correct equation to solve. A. 142 - 56 - 21 + 34 = t B. 142 - 56 - 21 - 34 = t C. 142 + (56 - 21) + 34 = t Solution:
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Ответ:
Step-by-step explanation:
Given
Required:
Number of times 5 were rolled
Even represents 2, 4 and 6.
So, we have:
Collect Like Terms
Ответ:
Leave it to you to count the number of outcomes.