Final answer:
To find out what 40% of 30 is, simply multiply 0.40 by 30 which gives you 12. Therefore, 40% of 30 is 12.
Step-by-step explanation:
To solve the problem 'What percent is 40% of 30?' you can set up the equation 0.40 x 30 = Y, where Y represents the unknown value we want to find. To solve for Y, multiply 0.40 by 30 which results in Y being equal to 12.
This can be seen as follows:
- Identify the known. y = 30.00
- Identify the unknown. Y in terms of the percentage of 30
- Choose the appropriate equation. y = 0.40 x 30
- Multiply both sides by 30 to solve for Y. Y = 12
Therefore, 40% of 30 is 12.