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SVETLANKA909090 [29]
3 years ago
9

A bookcase costs $93.11 when the CPI is 191. What is the CPI when a bookcase costs $76.05?

Mathematics
2 answers:
LuckyWell [14K]3 years ago
6 0
The value of the CPI (Consumer Price Index) is calculated by dividing first the current period price by the base period price and multiply the quotient by 100. Using the first set of values, we get base period price. 
                                CPI = (current period price / base period price) x 100
                                 191 = (93.11 / base period price) x 100
                                          base period price = 48.75

Then, using this base period price and the second current period price, we solve for the second CPI
                                CPI = (76.05 / 48.75) x 100
                                  <em>CPI = 156
</em>Therefore, the answer to this item is letter C. <em>
</em>
vagabundo [1.1K]3 years ago
6 0

Answer:

(C) 156

just took the test

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7 0
3 years ago
Adult tickets for the school play are $12.00 and children's tickets are $8.00. If a theatre holds 300 seats and the sold out per
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Using the substitution method:

x + y = 300   ⇒   y = 300 - x   ⇒   Equation (3)

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1/2 - 3/4 equals what
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1. Method 1: By Listing MultiplesList out all multiples of each denominator, and find the first common one.

2: 2 , 4

4: 4
Therefore, the LCD is 4

Method 2: By Prime FactorsList all prime factors of each denominator, and find the union of these primes.
Therefore, the LCD is <span>2 x 2 = 4
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2. <span>Make the denominators the same as the LCD

</span>\frac{1 x 2}{2 x 2} -  \frac{3}{4}
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3. </span><span>Simplify. Denominators are now the same.

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\frac{2-3}{4}

5. <span>Simplify

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Done! :) </span><span>Decimal Form: -0.25</span>
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