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astra-53 [7]
3 years ago
12

Solve for x

D%20" id="TexFormula1" title=" \frac{4x - 6}{4} = \frac{2x + 5}{3} " alt=" \frac{4x - 6}{4} = \frac{2x + 5}{3} " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
Marizza181 [45]3 years ago
6 0

Answer:

x = 9.5

Step-by-step explanation:

Given

\frac{4x-6}{4} = \frac{2x+5}{3} ( cross- multiply )

3(4x - 6) = 4(2x + 5) ← distribute parenthesis on both sides

12x - 18 = 8x + 20 ( subtract 8x from both sides )

4x - 18 = 20 ( add 18 to both sides )

4x = 38 ( divide both sides by 4 )

x = \frac{38}{4} = 9.5

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The complete question is given thus:

Suppose that computer literacy among people ages 40 and older is being studied and that the accompanying tables describes the probability distribution for four randomly selected people, where x is the number that are computer literate. Is it unusual to find four computer literates among four randomly selected people?

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