Haley is twice as old as Riley. The sum of their ages is 39. Write an equation that represents (x) , Riley's age.
2 answers:
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Hey there Smarty!
Your answer, would be the first option. I used a graphing calculater to recheck my work for this problem, and because of this reconfirmation, I concluded that you first answer would option (a).
Hope this helps you!
Your answer, would be the first option. I used a graphing calculater to recheck my work for this problem, and because of this reconfirmation, I concluded that you first answer would option (a).
Hope this helps you!
For this case we have by definition, if "y" varies directly with "x", then it is true that:
Where:
k: It is the constant of proportionality
We have the following equation:
So, as mentioned above we have to:
Answer:
Option B