Ratios, Rates, and Proportions
GRE · Flashcards · Application
GRE · FLASHCARDS
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QUESTION
What is the part-to-whole fraction for
b
b
b
if
a
:
b
=
2
:
5
a:b=2:5
a
:
b
=
2
:
5
?
QUESTION
What is the value of
x
x
x
if
x
15
=
2
5
\frac{x}{15}=\frac{2}{5}
15
x
=
5
2
?
QUESTION
What is the ratio of areas of similar figures if the side-length ratio is
3
:
5
3:5
3
:
5
?
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ANSWER
9
:
25
9:25
9
:
25
. Areas of similar figures scale with the square of the linear dimensions ratio.
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