Rosa is twice as old as Byron.Fred is one year older than Byron.If Fred's age is represented by F, which of the following represents the ages of Rosa and Byron, respectively?
A)½ ( F - 1) and F - 1
B)½ ( F + 1) and F + 1
C)2 ( F - 1) and F - 1
D)2 ( F + 1) and F + 1
E)2 F and F - 1

Question

Quizplus · Accepted Answer

Given Fred is one year older than Byron, if Fred's age is F, then Byron's age is F - 1. Since Rosa is twice as old as Byron, Rosa's age is 2(F - 1). Therefore, the correct representation of Rosa and Byron's ages, respectively, is 2(F - 1) and F - 1.

Rosa Is Twice as Old as Byron