Answers:
___________________________In fraction:

.
___________________________In decimal:
0.38 .
_________________In percent:
38 % .
_________________Explanation:_________________19/50 = (19*2)/(50*2) = 38/100 .
38/100 = 38 ÷ 100 = 0.38 .
38/100 = 38 % .
___________________________
Answer:
12%
Step-by-step explanation:
Percent error is calculated using
((Actual - predicted) / actual) * 100
In this case, the actual value of the number of pages he read is 20. The expected value was 23. So simply plug in:
((20 - 23) / 20) * 100 = -15%
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Answer:
66
Step-by-step explanation:
multiply everything together
The three refers to 3 ten thousands. or 3 x 10,000.