juan is 8 years than his sister rosa. one day, he tells rosa that he is twice her age, but will only be twice her age for one year. to figure out how old juan and rosa are, you must first identify the conditions. what are the conditions in this problem?
a) juan is twice as old as rosa; rosa's age
b) juan's age; rosa's age
c) juan is 8 years older than rosa; juan's age
d)juan is 8 years older than rosa; juan is twice as old as rosa
and the answer i picked was d
thanks
Right!
Let x = Rosa's age
2x = x + 8
the sum of
The correct answer is indeed d) Juan is 8 years older than Rosa; Juan is twice as old as Rosa.
In this problem, the conditions are that Juan is 8 years older than Rosa and that Juan is twice as old as Rosa for only one year. These conditions help us determine the ages of Juan and Rosa.