physics and intrumentation

A dose of 07ml contains 25.3 mCi @ 10:30 am. Use the information to answer all.
A. What is the concentration of this dose?
B. What was the original concentration at 8am?
C. What would be the volume of a 25 mCi dose at 11:00am?
D. whatis the ratio of concentration a 8am and 10:30 am? Please show work....

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  1. oops that was .7ml not 07ml

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