Margo wrote this equation for the area of a rectangle. 17.9w = 166.47. what is the width (w) of this rectangle? a. 9.3 units b. 148.57 units c. 9.8 units d. 2979.8 units

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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