Mrs. Zimmerman’s students build the first letter of their names out of wood. Holly builds an H using rectangles with the dimensi
ons shown.
How many square inches of wood does Holly use to create the letter H?
Answer Choices: A, 44 in.² B, 60 in.² C, 80 in.² D, 120 in.²
How many square inches of wood does Holly use to create the letter H?
Answer Choices: A, 44 in.² B, 60 in.² C, 80 in.² D, 120 in.²
1 answer:
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We are given total 10 tree seedlings.
Number of workshops = 2.
Here order doesn't matters.
<em>When order doesn't matters we apply combination.</em>
We know formula of combination:
For the given situation, we have
n=10 and r=2.
Plugging values in formula, we get