How to express one quantity as a percentage of another?
There are several ways to do this which make it particularly interesting. I would advise trying to avoid doing it by eye, this leaves you open to many clumsy mistakes. My preferred method is using equivalent fractions. Scale the fraction up on the denominator until you have your required /100 in order to read it as a percentage. Remember, it is extremely important to obey the rules of equivalent fractions: whatever you do to the denonimator you MUST do to the numerator.
SP
Related Maths 11 Plus answers
All answers ▸Multiple choice. If the sequence is 9, 16, 25, 36, 49 choose the correct expression. A. n^2 B. (3n)^2 C. (n+2)^2
In a sports competition with 760 atheletes, the following pieces of information are true: 70% of the atheletes are runners, 40% of the men are not runners and 400 women are runners. How many women were there in total?
Express (4x)/((x^2) - 9) - (2)/(x + 3) as a single fraction in its simplest form (4 marks)
How do I work out the area of a rectangle