For a party, Susan estimated there would be 14 people in attendance, but only 12 showed up. What was the percent error in her es
timation?
10.7%
16.7%
10.3%
7.1%
2 answers:
Percent error = (error / actual) x100
(2 / 12) x 100 = 16.6 recurring
round up to 16.7
Answer:
16.7% (rounded)
Step-by-step explanation:
Step 1. Make a proportion, which is 2/12 times x%/100
Step 2. Cross multiply = 2*100/12
Step 3. Solve = 16.(6) or, 16.7% rounded!
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