Answer:
x=0
Step-by-step explanation:
20=-5(4x-4)
-20/5 =4x-4
-4=4x-4
0=4x
0=x
hope this helped
15.40 + 8.50l (l is variable for labor)
8.50 x 2.5 = 21.25
15.40 + 21.25 = 36.65.
That is the answer for A.
504.20 - 15.40 = 488.80
488.80 / 8.50 = <span>57.50
About 57.50 hours for B.</span>
Answer:
Step-by-step explanation:
Let the males = x
Let the females = 8x
Let the total in the class = x + 8x = 9x
Females = 8x / 9x = 8/9
If you want the decimal, it is .889
Answer:
14/6
Step-by-step explanation:
well first the complement I 90-19=71
and supplement is 180-19=161