When a price changes from £15 to £20. By how much percentage has the price changed?
If a price goes up from £15 to £20, the price has increased. The rate of increased is solved by finding the difference in the change which is £5 (£20-£15). The percentage is gotten by £5/£15 *100% and the answer is 33.3%
BI
Related Maths 11 Plus answers
All answers ▸I think of a number. I multiply it by 3 and then subtract 5. I get an answer of 16. What was the number I first thought of?
Why do we use algebra?
Which places do these point to? Write the answer in English
The size of two of the three angles in a triangle are 40 degrees and 70 degrees. What is the special name given to this triangle?