Answer:
Step-by-step explanation:
b and c are the speeds of the boat in stool water, and current, respectively.
Going with the current, the boat travels b+c=16 km/h.
Going against the current, the boat travels b-c=6 km/h
add the equations together
b+c = 16
b-c = 6
—————
2b = 22
b = 11
c = 16-b = 5
Answer:
it is 21 because 9+10=19+2=21-10=11+10=21 its magic
Step-by-step explanation:
Answer:
Bill
112.80
Tip %
15%
Number of people
4
Tip
per person
$4.23
Total
per person
$32.43
Step-by-step explanation:
Find out how much she runs in 1 minute.
3/25=0.12 miles in a minute
To find the distance covered in 20 minutes;
(0.12)(20)
=2.4 miles
Hope I helped :)
