Expressions, Equations, and Relationships>Writing Real-World Problems for Given One-Variable, One-Step Equations or Inequalities(TEKS.Math.6.9.C) Practice Test

You had 30 cards and bought 12 more. How many do you have now?

A tank fills at 12 gallons per minute for $x$ minutes to reach 30 gallons.

You had some cards, gave away 12, and now you have 30. How many did you start with?

You split $x$ candies equally among 12 friends so each friend gets 30 candies.