<p>Revision: Year 11 Applications</p><p>Substitution</p><p>If b = 2 and a = - 4 , find the value of </p><p>Spreadsheets</p><p>Write down a formula that could be used to calculate the value in cell B5.</p><p>Pythagoras Show how you would determine the height of a POD mathematically. Then test your answer by eating half of it and measuring.</p><p>Percentages a) 12% of a quantity is $45. Calculate the total amount.</p><p> b) A washing machine with a market price of $440 is discounted by 20%. Determine the new price.</p><p> c) Target originally advertised a dress for $60. It was then discounted by 15%. As it still had not sold it was then marked with a further discount of 20% on the already reduced price. Determine the new sale price and the overall percentage reduction in cost.</p><p>Profit and Loss</p><p>Connor bought a car and then sold it to Daniel for $7200 (a 15% profit – sorry Daniel). What did Connor pay for the car?</p>