Answer:
A. 
B. 
C. Yes
Step-by-step explanation:
Given

Solving (a): Get an equivalent fraction

Divide the numerator and denominator by 5


<em>This is equivalent to the given fraction</em>
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Solving (b): Another Equivalent Fraction

Multiply the numerator and denominator by 2


<em>This is also equivalent to the given fraction</em>
Solving (c): Is A equivalent to B
Yes, they are
Because the fraction in (A) and (B) are equivalent to 
Then, the fractions in A and B are equivalent