John and adrienne are both saving money. john has already $100 and plans to save $15 a week. adrianne has already saved $40 and plans to save $25 a week. after how many weeks of saving will both john and adrienne have saved the same amount of money? A.6
B.5
C.4
D.3

oof

step-by-step explanation:

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:

236 cm 16 time 12 = 192

6 times 7 = 42

192+42

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