AQA, foundation 2016: Lee does a sponsored silence for 2.25 hrs. He is sponsored 80p per minute. How much does he raise?
80p every minute.So how much in 15 mins?How much in an hour?What operation do we use?Easy way to do mental maths - break it up!2.25hrs = 1hr + 1hr + 15 mins80p60 + 80p60 + 80p*15?= 4800p + 4800p + 1200p= 10,800p --> 108 pounds
GA
Related Maths GCSE answers
All answers ▸Can you explain how to find straight line equations?
The perimeter of a right-angled triangle is 72 cm. The lengths of its sides are in the ratio 3 : 4 : 5 Work out the area of the triangle.
expand y=(x+1)(x+2) and find what are the coordinates for x intercepts?
How do I sketch a quadratic function on graph paper?