Question 3 [10 marks] Jane has made some brownies and they are fresh from the oven. She wants to eat them really soon so she put them close to the window, where it’s 660F. 5 minutes later, the brownies are 1900 F. 8 minutes later, the brownies are 1750 F. i) Using the equation Y= m.a +k and find the values of ‘m’ and ‘a’. [4 marks] ii) What will the temperature be after 25 minutes? [2 marks] iii) Brownies should be cooled to 1300 F so you don’t burn your tongue. How long do you need to wait? [4 marks]