Answer:
50 liters
Step-by-step explanation:
If x is the volume of 20% acid, then:
x (0.20) + 20 (0.45) = (x + 20) (0.30)
0.2x + 9 = 0.3x + 6
3 = 0.1x
x = 30
30 liters of 20% acid are needed, so there will be a total of 50 liters of 30% acid.
Multiplying by the function of -1
Answer:
yg yc8ggt 8tycg6ctg7t6gt
Step-by-step explanation:
gygc86gc688rc6iycrgciutv
Answer:
A
Step-by-step explanation:
16x-16=4y
4(4x-4)=4y
y=4x-4
Therefore, the correct answer is choice A. Hope this helps!
DONT CLICK THE LINKK (i’m sorry i can’t help you but the link will track your ip)
