Answer:
The number is -1/2
Step-by-step explanation:
Let x be the number
2x+8 = 7
Subtract 8 from each side
2x+8-8 = 7-8
2x = -1
Divide each side by 2
2x/2 =-1/2
x = -1/2
The number is -1/2
That would mean it would be 10:25
Answer:
45%
Step-by-step explanation:
Simply divide your partial amount (18 in this case) by your total (40), and you then multiply your answer from 18/40= .45 by 100, and you get 45. This is 45%
Answer:
y= 8
Step-by-step explanation:
y= k/x
-8= k/4
k= -8×4= -32
y= k/x
y= -32/-4
y= 8
hope it helps!