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madreJ [45]
2 years ago
14

Is 3/12 a rational number

Mathematics
2 answers:
dusya [7]2 years ago
5 0

Answer:

3/12 is actually a quarter which is equal to 0.25.

In mathematics, a rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator,p, and a non-zero denominator q. For example, −3/7 is a rational number, as is every integer.

Yes it is...

:)

Hope I got it right :P

coldgirl [10]2 years ago
3 0

Answer: It is

Step-by-step explanation:

3/12 is actually a quarter which is equal to 0.25. It certainly isn't an irrational number, but is indeed a rational one.

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The A&M Hobby Shop carries a line of radio-controlled model racing cars. Demand for the cars is assumed to be constant at a
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Answer:

Step-by-step explanation:

A) Demand per month= 40 cars

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Holding Cost= 20% of cost= 60 *0.2 = 12

a. Economic Order Quantity=

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Total Cost =P*D+K(D/EOQ)+h(EOQ/2) P= Cost per unit

= 60*480+ 15(480/35) + 12(35/2)

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B). Backorder Cost (b)= $45

Qbo= Q* × √( b+h/ h)

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=39.28 ~ 39

Shortage (S)= Qbo * (K/K+b)

= 39* (15/15+45)

= 39* 0.25

= 9.75

Total Cost Minimum=( bS2/ 2Qbo) + P (Qbo- S)2/2Qbo + K(D/Qbo)

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C)Length of backorder days (d) = Demand ÷ amount of working days

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d = 1.6

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s/d = 9.75/1.6 = 6.09 days (answer)

D) Calculate the difference in total between not using backorder:

$207.85 + $207.85 - 207.91 = $207.79

The saving in using backorder is $207.79.

Therefore I would recommend using a backorder

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