I think there's an error with this question. Mind to check it back and tell me the detail?
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Answer: Hope this helps
Step-by-step explanation:
6.39 = 639
100
= 639
100
as a fraction
To convert the decimal 6.39 to a fraction, just follow these steps:
Step 1: Write down the number as a fraction of one:
6.39 = 6.39
1
Step 2: Multiply both top and bottom by 10 for every number after the decimal point:
As we have 2 numbers after the decimal point, we multiply both numerator and denominator by 100. So,
6.39
1
= (6.39 × 100)
(1 × 100)
= 639
100
.
(This fraction is alread reduced, We can't reduce it any further).
As the numerator is greater than the denominator, we have an IMPROPER fraction, so we can also express it as a MIXED NUMBER, thus 639
100
is also equal to 639
100
when expressed as a mixed number
Percent change=change/original times 100
change=20-16=4
original=20
change=4/20 times 100=0.2 times 100=20
answer is 20%
