rainbow
The website Nrich Nath offers free online tutorials on math subjects that range from primary school, all the way up to secondary school for teenagers.
goodrich means you are good and you are nrich and all together it spells goodrich
you multiply y by 4 to get 300 and then divide by the starting answer
The 'Trebling' problem on the Nrich site involves finding the maximum value of a specific mathematical expression or pattern by manipulating numbers. To solve it, one typically needs to analyze the relationships between the numbers involved and apply logic or mathematical reasoning to derive the solution. The precise answer may vary based on the interpretation of the problem's parameters. For the exact solution and detailed explanation, it's best to refer directly to the Nrich site.