Word Problems

Question 1

Translating words into expressions and equations:

Answer 1

Translating words into expressions and equations:

• Word problems can be translated into math, usually one phrase at a time and from left to right.
• Chose letters for variables whose meaning will be clear at a glance, not just x and y.

Question 2

Common Relationships on GMAT:

Answer 2

• Total Cost = Unit Price x Quantity
• Profit = Revenue - Cost
• Total Earnings = Wage Rate x Hours
• Miles = Miles per Hour x Hours
• Miles = Miles per Gallon x Gallons