E-Math worksheet on solving quadratic equations with word problems, featuring a detailed example about petrol prices and usage, annotated with red corrections and notes.
A worksheet titled "E-Math - Quadratic Equations - Solving Word Problems (3)" with handwritten corrections and annotations in red ink, showing a math problem about Mr. Ong's petrol bill in 2007 and 2008, including expressions for litres of petrol used and an equation to solve.