exam Maths Puzzle Numerical Ability

I would like some help please with the following problem:

A mixture contains 25% syrup and 75% water. If the amount of water is tripled, what percentage of the new mixture is syrup?

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exam Other Question

solve the quadratic equation by completing the square

2x^2+10x+11=0
List the terms of the following expression
2b2+7b+10
Im not sure what is mean by list the terms, and what terms should I be listing.