20% of 60 is 12
60/300 = 20%
The friend is incorrect because that is 20% of 300 not 60
So you go 108-36 which equals 72 than you take 72 and divide it by 4 which 18 so she rode 18 miles the first day
Answer: c 5 cm
Step-by-step explanation: 40 - 35 is 5 cm
Answer:
1.4 hours
Step-by-step explanation:
Runner A:
Speed = 8.1 mph
Time, = t
Runner B :
Speed = 6.3 mph
Time, = t
Distance apart = 20.16 miles
Distance = speed * time
Distance of Runner A + Distance of runner B = distance apart
8.1t + 6.3t = 20.16
14.4t = 20.16
t = 20.16 / 14.4
t = 1.4 hours
Number of hours, t = 1.4 hours
