The price of a litre of petrol was increased by 4% sandra paid £1.30 for a litre work out the original price before the increase

Bed a is seven feet long. bed b is 7/8 of bed a. bed c is 7/8 of bed b. bed d is 7/8 of c. a. come up with an expression for the length of bed d. b. what is the length of bed d?

Name the quadrilaterals that have four equal sides.

Explain why the factor 1.5 is broke. into two numbers in the model.