Answer:
18km/h
Step-by-step explanation:
if the riverboat is already going 15 km/h and the current is 3km/h then you should add and you get 18 km/h
The answer is correct
but I think in step 2 that should read the Associative property
Answer: the answer is 54
Step-by-step explanation:
Answer:
see attached
Step-by-step explanation: