The cost of 1 orange and 2 apples is 78p. The orange costs 24p. Work out the cost of 1 apple.
James buys 10 notebooks. He gets £3.80 change from £10.
How much does James spend on notebooks?
How much does each notebook cost?
2 balloons and 1 marble cost £1 86p.
1 balloon and 1 marble cost £1 29p.
Find the cost of 1 marble.