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JulsSmile [24]
3 years ago
10

Please help ASAP will mark BRAINLEIST!

Mathematics
2 answers:
Annette [7]3 years ago
4 0

"In Store A, a book that regularly sells for $24.99 is on sale at 15% off. In Store B the same book regularly sells for $27.99 and is on sale at 25% off. Which store sells the book for the lower sale price?"

"the choises are A Store A; Store A’s sale price is $18.74 and Store B’s sale price is $23.79. B Store A; Store A’s sale price is $18.74 and Store B’s sale price is $20.99. C Store B; Store A’s sale price is $21.24 and Store B’s sale price is $20.99. D Store B; Store A’s sale price is $21.24 and Store B’s sale price is $23.79."

15% of 24.99 is 3.7485.

24.99 - 3.7485 = 21.2415

25% of 27.99 is 6.9975

27.99 - 6.9975 = 20.9925

<u>Store B/ Answer C</u>

Eduardwww [97]3 years ago
3 0

Answer:

Store B

Step-by-step explanation:

The question was: In Store A, a book that regularly sells for $24.99 is on sale at 15% off. In Store B the same book regularly sells for $27.99 and is on sale at 25% off. Which store sells the book for the lower sale price?

STORE A:

24.99$ - 15% = 21.2415 (21.24$) US$

Saved Amount: $3.75

STORE B:

27.99$ - 25% = 20.9925 (20.99) US$

Saved Amount: $7.00

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Option (B)

Step-by-step explanation:

\begin{bmatrix}5 & 2 & 1\\ 7 & -5 & 2\\ -5 & 3 & 1\end{bmatrix}\times \begin{bmatrix}x\\ y\\ z\end{bmatrix}=\begin{bmatrix}16\\ 3\\ 12\end{bmatrix}

By applying multiplication property of the matrices,

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Therefore, system of equations formed will be,

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3 0
3 years ago
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