What is 18 out of 20 as a percentage?
The quick answer, step-by-step solution using simple method, importnat notes, and real world problems involving 18 out of 20 as a percentage, for user reference.
18 out of 20 in percentage:
18/20 x 100 = 90%
18 is 90 percentage of 20
where,
18 is the relative quantity,
20 is the reference or base quantity,
90% is the calculated percentage.
Real World Problems: 18 out of 20 as a Percentage
1. What is the discount percentage of a mobile phone/accessory, if the marked price is $20 and the selling price is $18?
2. What percentage of marks scored by a student, if he scored 18 marks out of 20?
3. A gadget shop has 20 gadgets. If 18 of them are Microsoft Xbox, what is the percentage of Microsoft Xbox?
4. A fruit basket contains 18 apples. If there are 20 fruits in total, what percentage of the fruits are apples?
5. A mobile shop has the stock of 20 mobile phones. If 18 Android phones and remaining mobile phones are Apple phones. What percentage of the mobile phones are Android phones?
6. A team played 20 matches and won 18 of them. What is the percentage of matches won?
7. A class has 20 students, and 18 of them are boys. What is the percentage of girls?
8. A person saves $18 per month from his salary of $20. What percentage of his salary is saved?
9. A survey found that 18 of people prefer coffee over tea. If 20 people were surveyed, how much percentage prefer coffee?
10. A container has a mixture of 20 ml total volume. If it contains 18 ml of water, then what percentage of the mixture is water?
11. A farmer has 20 acres of land and has planted 18 acres with wheat. What percentage of his land is planted with wheat?
12. A jewellery shop has 20 gold and diamond ornaments? If 18 of them are diamond ornaments, what is the percentage of diamond ornaments?
13. A library has 20 books, and 18 are fiction. What percentage of the books are fiction?
14. A solute contains a mixture of 20ml liquid. If 18ml of solute is water, what is the percentage of water in the solute?
15. A gadget shop has 20 gadgets. If 18 of them are Sony PS5, what is the percentage of Sony PS5?
Important Notes: 18 out of 20 in Percentage
All the following questions represent 18 of 20 as a percentage, so it's very much important to observe the different variations of this question.
The below step-by-step solution using simple method shows how to find what is 18 in percentage out of 20. We can use this method for problems where the relative/partial quantity 18 and base/whole quantity 20 in the percentage calculation are of same kind or units.
Question
What percent is 18 out of 20?
step 1 Address the input parameters and observe what to be found:
Input values:
Relative Quantity = 18
Base Quantity = 20
what to be found:
Find 18/20 as a percentage.
step 2 Write the percentage equation and apply the corresponding values:
Percentage = Part/Whole x 100
= 18/20 x 100
step 3 Simplify 18/20 in the above equation:
= 18/20 x 100
= 9 x 2/10 x 2 x 100
= 9/10 x 100
step 4 Write 9/10 as a decimal in the above equation and solve further:
= 9/10 x 100
= 0.9 x 100
= 90
18/20 x 100 = 90%
Hence,
18 is 90% of 20