Your family is taking a road trip, and your parents are taking
turns driving. If the trip is 600 miles, and your dad drives three
times as far as your mom, how far does your dad drive?
(Write your answer with units. e. g. 600 miles)

400? i have no idea

Step-by-step explanation:

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)