Answer and Explanation: 18 is 45 percent of 40. To understand how we reached this answer, we must first start by dividing 18 by 40. 18 divided by 40 is 0.45.

Step 1: we start by dividing 18 by 40: 1840=0.45. This tells us that 1840 is equivalent to: 0.451.

Step 2: We write 0.451 as an equivalent fraction over 100. To do this we multiply the numerator and the denominator by 100: 0.451=0.45×1001×100=45100. Finally, since 45100=45% we can state that 18 is 45% of 40.

C - this is a grade that rests right in the middle. C is anywhere between 70% and 79% D - this is still a passing grade, and it's between 59% and 69% F - this is a failing grade.

A score of 18 out of 30 on a test, assignment or class is a 60% percentage grade. 12 questions were wrong or points missed. A 60% is a D- letter grade. A letter grade D- means less than satisfactory or below average performance.

If a goods or services is sold at Rs. 1,000 and the GST rate applicable is 18%, then the net price calculated will be = 1,000+ (1,000X(18/100)) = 1,000+180 = Rs. 1,180.

The 35 percent of 40 is equal to 14. It can be easily calculated by dividing 35 by 100 and multiplying the answer with 40 to get 14. The easiest way to get this answer is by solving a simple mathematical problem of percentages.