Answer:
x = -1/3
Step-by-step explanation:
I think you mean 25x+5=10x
If we set both equations equal to each other, we have 7/x = 4/5, giving us the answer x = 8 3/4, or x = 8.75
The height would be 3 feet because it would be just tall enough to be waist level
Answer Using the method of alligation. 40.0= 20/(10/20) qts of 50% solution to add to your 20 qts of 20% solution. 60.0= (20+40.0) qts of the final 40% solution.
Answer:
C
Step-by-step explanation:
5=x+3
subtract 3 on both sides
5-3=x+3-3
2=x
