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Stephanie is TWICE as old as her Sister Rosa. If Stephanie is years old, How OLD is Rosa?
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Q. Stephanie is TWICE as old as her Sister Rosa. If Stephanie is years old, How OLD is Rosa?
- Denote Ages: Let's denote Stephanie's age as and Rosa's age as . According to the problem, Stephanie is twice as old as Rosa. This can be written as an equation: . We are given that Stephanie's age () is years old. So we can substitute with in the equation.
- Substitute Stephanie's Age: Now, we need to solve for (osa's age). To do this, we divide both sides of the equation by to isolate .
- Solve for Rosa's Age: After performing the division, we get the value of .This means that Rosa is years old.
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