Vick is saving for his college tuition. Since his parents do not charge him room and board, he plans on saving 55% of his income. If he earns $1725.00 month, how long will it take him to save the $6000.00 he needs for tuition and $550.00 for books?

take the logarithm of both sides (the base of the log doesn't matter):

apply the exponent property - this says that :

distribute the log terms on both sides:

group like terms together:

divide through both sides by the coefficient on :

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like:

answer: your answer is a