Percent Change and Growth
GRE · Flashcards · Recall
GRE · FLASHCARDS
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QUESTION
If a value is multiplied by
k
k
k
, what is the percent change in terms of
k
k
k
?
QUESTION
State the relationship between percent change and the ratio
B
A
\frac{B}{A}
A
B
.
QUESTION
If a value decreases by
p
%
p\%
p
%
each period for
n
n
n
periods, state the decay formula from
A
A
A
.
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ANSWER
A
(
1
−
p
100
)
n
A\left(1-\frac{p}{100}\right)^n
A
(
1
−
100
p
)
n
. Applies the decay multiplier compounded over
n
n
n
periods to the initial value
A
A
A
.
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