Answer:
6 ft
Step-by-step explanation:
Since he's walking 1.2 ft per second you just multiply that by 5 to get his distance in 5 seconds which is 6 ft
Let the common ratio be r.
then
a2*r*r=a4
rearrange,
r^2=a4/a2=112.5/50=2.25
r=sqrt(2.25)=1.5 = common ratio
Answer:
D
Step-by-step explanation:
Midnight to 3 a.m.: 20%
3 a.m. to 6 a.m. 5%
Midnight to 6 a.m. = 20% + 5% = 25%