14. The time required to complete a job varies inversely as the number of people working.
It takes 4 hours for 7 electricians to wire a
building. How long would it take 3
electricians to do the job?
A. 1 hr 43 min
C. 7 hr 30 min
B. 5 hr 15 min
D. 9 hr 20 min
inn

D is right

Step-by-step explanation:     time is 4 hours when there are 7 electricians.

You multiply 4·7 = 28

Then there are 3 electricians who need x hours.

You solve  3x = 28   x ) 28/3 = 9,33  hours, also 9 h 20 min

no, the equation would be invalid since they are both not equal.

step-by-step explanation:

here you got

4y-6+4y 2-9

first, you would simplify the equation on the form.

4y-6+4y 2-9

then, move all the terms that contains a y to the left and all the other terms to the right.

+4y-4y+-9-6

finally, you will simplify the left and the right side of the equation.

y=-3

hello :

by applying the distributive property :

6 × 4.3 = 6 × ( 4 + 0.3 )

            =   (6 ×   4) + (6 ×   0.3)

            = 24 + 1.8

6 × 4.3 = 25.8