Mathematics: Find the missing coefficient in the equation of the line shown. Ax-4y=-1 (6,1). Write the completed equation.

Find the missing coefficient in the equation of the

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17.09.2020

About 36 seventh-grade students like reggae music.

Step-by-step explanation:

Given: When Henry surveyed 45 seventh-grade students at random in the school cafeteria, he found that 3 out of 15 liked reggae music.

Thus, the fraction of students who like reggae music $=\frac{3}{15}$

Let 'x' be the number of students who like reggae music out of 180 students .

If we use proportional reasoning, then

$\frac{x}{180}=\frac{3}{15}\\\\\Rightarrow x=\frac{1}{5}\times180\\\\\Rightarrow x=36$

Hence, About 36 seventh-grade students like reggae music.

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