Answer:
Boat = 20 mph
Current = 5 mph
Step-by-step explanation:
If b is the speed of the boat, and c is the speed of the current, then:
b + c = 225 / 9 = 25
b − c = 225 / 15 = 15
Solve the system of equations with elimination.
2b = 40
b = 20
Plug back into either equation to find the speed of the current.
c = 5
Answer:450
Step-by-step explanation:
first subctract then add
Answer:
Not a native English speaker, but ig this is what u want:
Step-by-step explanation:
6(3x+4)=15x+24