Answer:
B - 10c
Step-by-step explanation:
Let B be the initial balance
And c be the cost of each trip
Her balance would be:
B - 10c
$3.60, 5 x 2 = 10. So 1.80 x 2 = 3.60
Answer:
b, is so b
Step-by-step explanation:
Answer:
hope it is helpful
Step-by-step explanation:
10 is the increase in number
orignal vale is 20
so
increase %=increase in orignal value/orignal value ×100
=10/20×100=50%
Answer:
The average speed of an aircraft carrier is 13.89 km/h.
Step-by-step explanation:
We have,
Distance covered by an aircraft carrier is 1000 km
Time taken by the aircraft to travel is 3 days.
It is required to find the average speed of the aircraft.
1 day = 24 hours
3 days = 72 hours
Average speed :

So, the average speed of an aircraft carrier is 13.89 km/h.