What are the solutions of the equation 9x^4 - 2x^2 - 7 = 0? Use u substitution to solve.
1 answer:
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Solution: The total money did addison have to begin with is $29.
Explanation:
Let the addison begin with money $x.
It is given that the addison earn $25 from his neighbor and $50 from her grandmother. So total money addison has
She loaned her friend %18.
Now she has
It is given that she had $86.
Therefore, the total money did addison have to begin with is $29.