Hannah is at an arcade where each game requires her to use 2 tokens. She buys 40 tokens to begin. Let n be the number of games H
1 answer:
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1) Factor the equation first:
So either
or 
. But can never equal 0! So, we only need to solve for the second equation:
2) First, single out the term with the exponent:
Now, taking the log base 4 of each side gives us
and we can now solve for x:
So either
2) First, single out the term with the exponent:
Now, taking the log base 4 of each side gives us
and we can now solve for x:
Does it look like this: 
or 
Do you need the others?
Do you need the others?