Answer: 1/4
Step-by-step explanation:
Answer:

Step-by-step explanation:
The systems of equations are
Let us assume the rate of the current be c
Now actual speed against the current is (15 - c)
And, the actual speed with the current is (15 + c)
Here we applied the time formula i.e. distance by speed
Also the upstream time - downstream time = 4
Now the equations are

Answer: 403
find the absolute value of -272, which is 272.
add 272 to the 131
that equals the height of 403 ft
Answer:
200+10×12=320
Step-by-step explanation: