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Anastasy [175]
3 years ago
7

What percentage is equal to 2/5?

Mathematics
2 answers:
nikdorinn [45]3 years ago
6 0
40%

Because, 2/5 equals 4/10. 10x10=100, so 4x10=40, so 40%.
horsena [70]3 years ago
3 0
The answer is:  "40%" .
___________________________________________________
Explanation:
___________________________________________________

2/5 = x/ 100 ; Solve for "x" ;

Looking at the denominators:

5*(what value) = 100 ?  ;   100÷ 5 = 20 ;

So "5*20 = 100" .

So; "2/5 = (2*20)/(5*20) = 40/100 = 40% .

→ Since:  40% = 40/100 = 4/10 = (4÷2)/(10÷2) = 2/5 .
____________________________________________
Alternate method:
____________________________________________
2/5 = 2÷5 = 0.4 .

0.4 = 4/10 = =(4*10)/(10*10) = 40/100 = 40% .
____________________________________________
Alternate method:
____________________________________________
Given:  "2/5" ;  We look at the denominator and notice it is "5" ; and we known that "5*2" = 10" ;

So, "2/5" = (2*2)/ (5*2) = 4/10 = (4*10)/(10*10) = 40/100 = 40% .
____________________________________________
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Which expressions are equivalent to √1,120y? Select three options.
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The expression that is equivalent to √1,120y is: 4√70y.

<h3>What are Equivalent Expressions?</h3>

Expressions are said to be equivalent when the value of one is the same as the value of the other when evaluated or simplified.

Given the expression, √1,120y, we can simplify as shown below:

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