QUESTION:
1. What is 20% of 250?
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ANSWER:
A. 50
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SOLUTION:
Percentage solution with steps:
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Step 1: Our output value is 20.
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Step 2: We represent the unknown value with x.
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Step 3: From step 1 above, 20=100%
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Step 4: Similarly, x=250%
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Step 5: This results in a pair of simple equations:
20=100%(1)
x=250%(2)
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Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both
equations have the same unit (%); we have
[tex]\frac {20}{x}[/tex] = [tex]\frac {100percent}{250percent}[/tex]
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Step 7: Again, the reciprocal of both sides gives
[tex]\frac {x}{20}[/tex] = [tex]\frac {250}{100}[/tex]
➪ x = 50
Therefore 20% of 250 is 50.
[tex]\huge\purple{\overline{\quad\quad\quad\quad\quad\quad\quad\quad\quad \ \ \ }}[/tex]
《24 days before Christmas》
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