18.5/100000 is 0.0185% as a percent
Percent is derived from Latin word "per centum" which means "by a hundred". Percent can be thought of a fraction where denominator is always 100, and we add % sign to the fraction. For example, fraction 18.5/100000 means 0.0185 %.
Steps:
First divide 18.5 by 100000: 18.5 ÷ 100000 = 0.000185
Then multiply by 100: 0.000185 × 100 = 0.0185
Answer: 18.5 100000 = 0.0185%
(Remember to put the "%" sign so people know it is "per 100")
OR you can multiply the top by 100 first then divide by the bottom number:
Multiply 18.5 by 100 first, then divide by 100000
1850.0 ÷ 100000 = 0.0185
Answer: 18.5 100000 = 0.0185%
(Remember that "%" sign!)
Or Move the Decimal 2 Places
After dividing, instead of multiplying by 100 we can just move the decimal point 2 places to the right, then add the %
First divide 18.5 by 100000:
18.5 ÷ 100000 = 0.000185
Move the decimal point 2 places to the right
2 places
Remember to add the "%" sign: 0.0185%
Lets say in a maths test, you score 19 marks out of 20, it means you scored 95%.
Lets say in a school with 250 students, 100 are boys, it means that the percentage of boys in school is 40 %