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Rom4ik [11]
3 years ago
5

Alex is making 12 pennants for the school fair. The pattern he is using to make the pennants is shown in the figure. The fabric

costs $1.25 per square foot. How much will it cost Alex to make 12 pennants?​

Mathematics
1 answer:
defon3 years ago
6 0

Answer:

It will cost Alex $52.5 to make 12 pennants

Step-by-step explanation:

The area of the pennant is the area of the rectangular portion plus the area of the triangular portion.

=1\times 3 +\frac{1}{2}\times 1\times 1

Area=3+\frac{1}{2} ft^2

Area=3.5 ft^2

The area of 12 pennants

=12\times 3.5ft^2

=42ft^2

If the fabric for the pennants costs $1.25 per square foot, then;

42 square feet will cost 1.25\times 42=52.5 dollars.

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Given:

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