Wonderlic Test Study Guide Rated A+

Jade is 9 years older than Rose. In 4 years' time, Jade's age will be double Rose's age. What are their ages today? A. Jade is 5 years old and Rose is 14 years old B. Jade is 14 years old and Rose is 5 years old C. Jade is 2 years old and Rose is 11 years old D. Jade is 10 years old and Rose is 1 year old E. Cannot be determined {Ans: The correct answer is (B). All the information given is based on the relation between Jade's age and Rose's age. Let's denote Jade's age by X and Rose's age by Y. "Jade is 9 years older than Rose " - we can translate this information into an equation. X = Y + 9 Unfortunately, an equation with two variables is not solvable unless we have another equation. "In 4 years' time, Jade's age will be double Rose's age" - the second sentence also represents a relation. It means that in 4 years Jade's age will be X+4 and will be double Rose's age, which will be Y+4. Look at the equation below: X + 4 = 2 (Y + 4) Now we have