A yoga instructor earns $80 for teaching 4 classes. The instructor receives a 15% raise. Enter
1 answer:
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Answer:
35 quizzes
Step-by-step explanation:
We need to determine how many ways we can choose 4 questions out of 7 to make the quizzes.
We do this by using the formula which describes the number of ways we can choose
objects given
possible choices. So, if
and
, then:
Hence, the teacher can make 35 different geometry quizzes.
In this case, the pattern is the number, in this case, 3, multiplied by the number below it.
See?
Hope this helped :)