Related Maths GCSE answers
All answers ▸Solve the simultaneous equations: 3x-y=13, 2x+y=12
White paint costs £2.80 per litre. Blue paint costs £3.50 per litre. White paint and blue paint are mixed in the ratio 3 : 2 Work out the cost of 18 litres of the mixture.
Work out the value of 5^3-5^2:
Heather invests £900 for 3 years at 2% per annum compound interest. Calculate the value of her investment at the end of the 3 years.