Two boats left an island at the same time to return to the same home port. their rates of speed differ by 4km/h. the faster boat reached the port in 3 hours. the other boat took 30 minutes longer. find the average speed of each boat.

Average speed of the two boats are 28 km/hr. and 24 km/hr.

Step-by-step explanation:

Let the average speed of the boat with larger speed is x km/h and that of the other boat is y km/h.

Now, given that x - y = 4 ...... (1)

If the distance, that the first boat covers in 3 hrs. is d km then the second boat covers d km in 3.5 hrs.

Therefore, and

Now, from equation (1), we can get

⇒

⇒ km/hr.

Again, km/hr.

Therefore, the average speed of the two boats is 28 km/hr. and 24 km/hr. (Answer)

step-by-step explanation:

in the absence of parentheses, i will have to make some assumptions:   i interpret your (3x+5/y^6)(4y^3/5)​ to mean:

3x + 5     4y^(3/5)       (3x + 5)(4)

* =

    y^6             1               y^(6-3/5)

if this is not what you expected, repost your question using parentheses to indicate whether you meant

4y^3

    or   4y^(3/5)

    5

12.5 feet

step-by-step explanation: