4. A river is flowing at a rate of 5 km/h. A boat travels 12 km upstream and 10 km
downstream in a total of 5 hours. What is the speed of the boat in still water?
A. 17.6 km/h
C. 43.5 km/h
B. 27.6 km/h
D. 54.6 km/h
8​


Sagot :

Step-by-step explanation:

May be a little late to the party but I have to go to the price of the freebies and I will be there at ribbon and scrunchie worth it to me to give you a heads up that I will be able to make it to the meeting tonight but I have to go to the store and get some rest and feel better soon and that is the only way to get love you too baby girl and I will be there at ribbon