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Answer :
Answer:
25
Step-by-step explanation:
20 x 5 = 100
5 x 5 = 25
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Answer:
Solve the question by setting the two fractions equal to each other.
[tex]\frac{5}{20} =\frac{x}{100}[/tex]
Using the butterfly method, we find that 25 students out of every 100 bring lunch from home.
Step-by-step explanation:
Step one - set up the equation:
Five out of every 20 students bring lunch from home. This is represented as 5/20. Some amount from every 100 students bring lunch from home; this is represented as x/100. These two fractions must be equal, so we create the equation [tex]\frac{5}{20} =\frac{x}{100}[/tex].
Step two - butterfly method:
In the butterfly method, cross-multiply the fractions to get [tex]5*100=20x[/tex]. Solving for x gives us:
[tex]500 = 20x\\25 = x[/tex]
Therefore, 25 out of every 100 students bring lunch from home.
