Bob ran 5 1/4 miles at a pace of 3 3/8 miles per hour. how long was he running in hours.

1 5/9

hope it helped

Step-by-step

divide 5 1/4 by 3 3/8 to get 1 5/9

3,000,540

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)