GCSE Secondary Maths Age 13-17 - Algebra: Formula - Explained

The video tutorial explains how to calculate the total cost of hiring a carpet cleaner using a formula. It demonstrates solving for the number of days Andy hired the cleaner using algebraic methods and trial and improvement. Additionally, it derives a formula for calculating the cost based on the number of days Chloe hires the cleaner. The tutorial emphasizes understanding and applying the given rule to solve related problems.

Write down the formula for the total cost T in terms of the number of days Y that Chloe hires the carpet cleaner.

What are the key steps to arrive at the final formula for the total cost in the carpet cleaning scenario?