The union within a company wants its employees to vote for the new pay proposal. Over a six day period, the following numbers of employees cast their vote :
86, 95, 38, 47, 73, 68
Which number best describes the average number of employee's votes each day?

A. 67.8
B. 67.83
C. 63.83
D. 68

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

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