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wel
3 years ago
14

Given that

rac{4x-y}{3y} = \frac{1}{2}" alt="\frac{4x-y}{3y} = \frac{1}{2}" align="absmiddle" class="latex-formula"> , find the value of \frac{x}{y}
Mathematics
1 answer:
Aleks [24]3 years ago
7 0

Answer:

\frac{x}{y} = \frac{5}{8}

Step-by-step explanation:

Given

\frac{4x-y}{3y} = \frac{1}{2} ( cross- multiply )

2(4x - y) = 3y ← distribute left side

8x - 2y = 3y ( add 2y to both sides )

8x = 5y ( divide both sides by 8 )

x = \frac{5}{8} y ( divide both sides by y )

\frac{x}{y} = \frac{5}{8}

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Answer:

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Step-by-step explanation:

Let's assume total number of students registered is n

Last week n/4 people are absent

so people present are n - n/4 = <u>3n/4</u>

Today after return of Jen  1/5 n are absent

so people present are n - n/5 = 4n/5

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= 3n/4 + 1

= (3n + 4) / 4

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=> (3n + 4) * 5 = 16n

=> 15n + 20 = 16n

=> 20 = n

=> n = 20

So total students registered for class is 20

today no of people absent = n/5 = 20/5 = 4

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2 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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