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The probability of an experiment is calculated as:

"Ratio of Favorable Outcome to the Total Number of Outcomes"

The probability of getting an even number using the game spinner is 4/10. So here numerator 4 represents the favorable outcomes and denominator 10 represents the total number of outcomes in this scenario.

Therefore, the answer to this question is option B

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.