Jessica baked a cherry pie. Justin ate 1/3 of the pie, and Joey ate 1/4 of the pie. How much of the pie is left?
2 answers:
You might be interested in
ANSWER
Eric is
EXPLANATION
Let Eric's age be
Then his son age will be,
The product of their ages is 175.
This implies that,
We expand to get,
We equate everything to zero to obtain,
We split the middle term to get,
We factor to obtain,
We factor further to get,
This implies that,
Since age is not negative,
Therefore Eric is
Eric is
EXPLANATION
Let Eric's age be
Then his son age will be,
The product of their ages is 175.
This implies that,
We expand to get,
We equate everything to zero to obtain,
We split the middle term to get,
We factor to obtain,
We factor further to get,
This implies that,
Since age is not negative,
Therefore Eric is