A shop is having a sale. All items are reduced by 25%
Work out the sale price of an item normally priced at £90

£67.50

Step-by-step explanation:

You can divide 90 by 4 and then multiply your answer by 3 to get your final answer.

Hope this helps c:

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.