Solve One-Step Equations Practice Test

A recipe needs a total of $\tfrac{3}{4}$ cup of sugar. You already added $\tfrac{1}{4}$ cup. Let $x$ be the amount of sugar still needed. Write and solve a one-step equation.

At a school book fair, Jada had some money. After she earned $12.50 helping a teacher, she had $30.00 total. Write an equation of the form $x+p=q$ and solve for $x$. What was her starting amount of money?