Pregunta
Gina has 25 more barrettes than Holly.
The equation
, where
represents the number of barrettes Gina has, and
represents the number of barrettes Holly has,
shows this relationship.
If Gina has 46 barrettes, how many barrettes does Holly have?
A. 17
B. 67
C. 70
D. 21
The equation
shows this relationship.
If Gina has 46 barrettes, how many barrettes does Holly have?
A. 17
B. 67
C. 70
D. 21
Ask by Stuart Ruiz. in the United States
Mar 28,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
Holly has 21 barrettes.
Solución

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Respondido por UpStudy AI y revisado por un tutor profesional
Como
Mind Expander
To find out how many barrettes Holly has, we can substitute the number of barrettes Gina has into the equation
. Given that Gina has 46 barrettes, we set up the equation:
Now, we can solve for
:
- Subtract 25 from both sides:
.
So, Holly has 21 barrettes. The answer is D. 21.
Now, if you’re ever stuck on similar problems, always remember to isolate the variable step by step! And double-check your arithmetic; little mistakes can lead you astray.
For further practice, consider creating your own equations with different numbers and relationships. Not only will this solidify your understanding, but it could also lead to discovering fun patterns or relationships in numbers!
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