A]
D=R×t
d=5.8r
d2=5.1(r+7)
0.7r=35.7
r=51 mi/hr
thus the average speed on the outbound trip would be:
51+7=58 mi/hr
b]
let speed of fishing boat=x km/h
speed of cruise ship=(x+12.5) km/h
distance traveled by fishing boat=11.5×x=11.5x km
distance traveled by cruise ship=(x+12.5)×11=(11x+137.5) km
Total distance covered by the ships:
11.5x+11x+137.5=322
22.5x=322-137.5
22.5x=184.5
thus
x=184.5/22.5
x=8.2 km/h
The speed of fishing boat is 8.2 km/hr
Answer:
27
Step-by-step explanation:
I divided im not 100 percent sure tho
The value of the one is 0.1 and 0.01.
Hope this helps :D
2 hours of a 60mph is literally 60 miles per hour so for 2 hours its 120miles plus an addition of 40 miles how ever its half an hour so he gained 20 so 140 should be the answer if im not mistaken.
