Question: 1. Your net monthly salary is £1,950. You know that National Insurance and pension contributions take 15% of your gross salary and that income tax is levied at a rate of 25% on gross annual earnings above a £5,400 exemption limit. What is your gross monthly salary?
2. You have 64 square paving stones and wish to lay them to form a square patio in your garden. If each paving stone is 0.5 metres square, what will the length of a side of your patio be?