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Dahasolnce [82]
3 years ago
10

A bookstore pays $12.75 for hardcover books and charges $29.95. What is the maximum percent of discount that it can offer while

still making a profit of $5 on each book?
a.
40.7%
c.
44.2%
b.
54%
d.
59.6%


Please select the best answer from the choices provided

A
B
C
D
Mathematics
2 answers:
Svetach [21]3 years ago
8 0

Answer:

The answer is A.

Step-by-step explanation:

I got it from my calculator.

Anna [14]3 years ago
4 0

9514 1404 393

Answer:

  A.  40.7%

Step-by-step explanation:

The selling price for a $5 profit will be ...

  $12.75 +5.00 = $17.75

From $29.95, this represents a change of ...

  (17.75 -29.95)/29.95 × 100%

  = -12.20/29.95 × 100% ≈ -40.7346%

The bookstore can offer a maximum discount of about 40.7%.

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How many gallons of a 50% antifreeze solution must be mixed with 60 gallons of 30% antifreeze to get a mixture that is 40% antif
Mariulka [41]

I don't know what the "six-step method" is supposed to be, so I'll just demonstrate the typical method for this problem.

Let <em>x</em> be the amount (in gal) of the 50% antifreeze solution that is required. The new solution will then have a total volume of (<em>x</em> + 60) gal.

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0.5 <em>x</em> + 18 = 0.4 (<em>x</em> + 60)

0.5 <em>x</em> + 18 = 0.4 <em>x</em> + 24

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