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mafiozo [28]
3 years ago
14

There are 11 books on a shelf, 8 of these books are new. What is the ratio of new books to new books? and What is the ratio of a

ll books to used books?​
Mathematics
1 answer:
trasher [3.6K]3 years ago
7 0

Answer:

3:8 ratio from used to new books.  11:3 is the ratio from all bokes to used books.

Step-by-step explanation:

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<h3>Answer: 13,011.11 dollars</h3>

note: remember to take the comma out or ignore it. I put it in there to help make the number more readable

===========================================

Explanation:

Let x be the value of the sale in dollars.

x-1900 represents the leftover amount that is over 1900

eg: if x = 2200, then x-1900 = 2200-1900 = 300 is the the leftover amount

taking 9% of (x-1900) leads to the expression 0.09(x-1900) and this expression must be 1000 since this is the extra amount of money the salesman needs (he already has $1000 in base pay)

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Solve for x

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4 0
3 years ago
Find the area of the shape below.
Otrada [13]

Area  = 10.08 yd²

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The given shape is a trapezoid.

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Height of trapezoid (h) = 2.8 yd

<u>To find the area of the trapezoid:</u>

Area of the trapezoid = \frac{1}{2}\times (b_1+b_2)\times h

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Area  = 10.08 yd²

3 0
3 years ago
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