Jim has already run 6 miles this month. He plans to run an additional 2.5 miles per day. At this rate, how many days will it take Jim to run 41 miles?​

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step-by-step explanation:

just took the test and my answers down below!

step-by-step explanation:

check the pic :

i can answer this if i have the answer choices

ending amount = beginning amount / (2^n)

where "n" = number of half-lives (or elapsed time / half-life)

ending amount = 50 mg / (2 ^10 / 5.3)

ending amount = 50 mg / (2 ^ 1.8867924528)

ending amount = 50 m / 3.6981210597

ending amount = 13.5203794557 mg

or about 13.5 mg remain

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