How do you solve a proportion with 3 terms?

Solution:

1. Solution: Step 1: Assign variables: Let x = amount of corn.
2. Step 2: Solve the equation: Cross Multiply.
3. Answer: The mixture contains 7.5 pounds of corn.
4. Solution: Step 1: Assign variables: Let x = red shirts.
5. Step 2: Solve the equation: Cross Multiply both equations. 3 × 20 = x × 4.
6. Answer: There are 60 shirts.

What is the first thing to do in solving word problems?

Simple Steps for Solving Word Problems