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Arada [10]
2 years ago
15

Brianna has $50 in her bank account. She pays $6 to attend her school football game. She wants to buy hotdogs for her and her fr

iends. If each hotdog costs $2, how many hotdogs can she buy if she wants to maintain a balance of at least $20 left in her bank account? Write the inequality and solve it.
Mathematics
1 answer:
sattari [20]2 years ago
6 0

Answer:

12

Step-by-step explanation:

$50-6 (ticket to game) = 44 - $20 (the balance she wants to have left) = $24.

$24/2=12 (amount of hotdogs she can buy)

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nata0808 [166]

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Step-by-step explanation:

enter image source here

From the diagram you can see that we have constructed a right triangle, with height A and base 15.

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Height of flagpole = A.

We know the angle of elevation is

40

∘

. Using this angle and the tangent ratio, we can find A.

tan

(

40

∘

)

=

opposite

adjacent

=

A

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∴

tan

(

40

∘

)

=

A

15

Rearranging:

A

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15

tan

(

40

∘

)

By calculator:

A

=

12.59

feet. ( 2 d.p.)

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