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shusha [124]
2 years ago
7

If it takes B hours to walk a certain distance at the rate of 3 miles per hour, the number of hours it takes to return the same

distance at 4 miles per hour is...? Will mark brainlist
Mathematics
1 answer:
natita [175]2 years ago
5 0

Answer:

It will take 0.75B hours for the return leg

Step-by-step explanation:

Here, given that the first leg of the trip was for B hours at 3 miles per hour , we want to calculate the number of hours the return leg will take at 4 miles per hour given that it is the same distance.

Mathematically, we know that ;

Distance = speed * time

So the distance taken on the first leg of the trip would be;

Distance = 3 miles per hour * B hours = 3B miles

Now, this distance was traveled on the return leg also.

This means that the time taken here will be;

Time on return leg = distance/speed = 3B/4 = 0.75B hours

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Looking to solve (Ac+b-d)(a^2-c)=
Sunny_sXe [5.5K]

It should be noted that the expansion of the equation (ac+b-d)(a² - c) will be a³c + ac² + a²b - bc - a²d + cd.

<h3>How to illustrate the information?</h3>

It should be noted that an equation is used to show the relationship that occur between the variables that are illustrated.

In this case, it should be noted that the equation

(ac+b-d)(a² - c) will be solved accordingly. This will be:

(ac+b-d)(a² - c)

Open the parentheses

a³c + ac² + a²b - bc - a²d + cd

Therefore, it should be noted that the expansion of the equation (ac+b-d)(a² - c) will be a³c + ac² + a²b - bc - a²d + cd.

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