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Ugo [173]
3 years ago
6

the sum of the numerator and denominator of a fraction is 3 less than twice the denominator.if the numerator and denominator are

decreased by 1 ,then the numerator becomes half of the denominator find the fraction
Mathematics
1 answer:
Damm [24]3 years ago
6 0

Answer:

needdd pls

Step-by-step explanation:

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(02.05 MC) A dance school has 63 ballet dancers. If 42% of the total number of dancers in the school are ballet dancers, what is
Elena L [17]

Alright, lets get started.

Suppose total number of dancers in school = x

We have given in question, 42 % of total dancers are ballet dancers.

So, we could find number of ballet dancers by finding 42 % of total dancers.

Number of ballet dancers = x * 42 %

Number of ballet dancers = x * 42/100 = 0.42 x

As per given in question, there are 63 ballet dancers in school.

Which means 0.42 x = 63

Dividing 0.42 from both sides

0.42 x / 0.42 = 63 / 0.42

x = 150

Hence number of total dancers in school = 150 : Answer

Hope it will help :)

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A 35 foot rope is cut into two pieces with one section 6 times as long as the other section, how is the shorter piece?
guajiro [1.7K]
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Define x:
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Let the shorter piece be x.
Shorter piece = x
Longer piece = 6x

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Construct equation:
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x +6x =35
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Find the length:
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Shorter length = x = 5 feet
Larger length = 6x = 6(5) = 30 feet

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Answer: The shorter piece is 5 feet.
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Step-by-step explanation:

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