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In a class there are 12 boys and 7 girls...

In a class there are 12 boys and 7 girls. The teacher wants to select either a boy or a girl to represent the class in a competition. In how many ways can the teacher make this selection.

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To solve the problem of how many ways the teacher can select either a boy or a girl from a class of 12 boys and 7 girls, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the number of boys and girls**: - There are 12 boys and 7 girls in the class. 2. **Calculate the number of ways to select a boy**: ...
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