Multi-Step Ratio and Percent Problems
Middle School Math · Flashcards · Recall
MIDDLE SCHOOL MATH · FLASHCARDS
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QUESTION
State the formula for tip amount when bill is
b
b
b
and tip rate is
r
r
r
(decimal).
QUESTION
State the percent change formula using change and original value.
QUESTION
State the formula for percent error when experimental is
E
E
E
and accepted is
A
A
A
.
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ANSWER
∣
E
−
A
∣
A
×
100
%
\frac{|E-A|}{A}\times 100\%
A
∣
E
−
A
∣
×
100%
. Absolute difference over accepted value, times
100
%
100\%
100%
.
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