Jerry bought 6 apples for $2.75. jerry wants to buy 1 more apple at the same unit price. how many cents will he pay? 45 45.8 45.
1 answer:
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Answer:
So the number of total combinations is 35.
Step-by-step explanation:
We know that Ellen must take 4 courses this semester. She has a list of 3 math courses and 4 science courses.
Therefore, she have total 7 courses.
So, we calculate the number of combinations to choose 4 out of 7 courses.
We get:
So the number of total combinations is 35.