Answer:
7 mph
Step-by-step explanation:
If b is the rate of the boat, and s is the rate of the stream, then:
b − s = 4
b + s = 10
Solve the system of equations with substitution or elimination. Using elimination, add the equations together:
2b = 14
b = 7
The boat's rate is 7 mph.
Answer:
Step-by-step explanation:
I don't really know sorry I am not smart I only sign up to see the answers
(x<span> + </span>9)(x<span> – </span>1<span>) = 0. </span>x<span> = -</span>9<span> or </span>x<span> = </span><span>1</span>
