If q represents the quantity of solution needed, you require
... 0.90q = 0.15×(100 mL)
... q = (0.15/0.90)×(100 mL)
... q ≈ 16.7 mL
_____
You actually need 16 2/3 mL of concentrated solution.
Answer:
12 and 4/15
Step-by-step explanation:
dont need one not putting one >:{)>
I think the answer is this
2x-4x+1=0
Combine like terms
-2x+1=0
Subtract 1 both sides
-2x=-1
Divide by -2 both sides
x=-1/2
Answer:
Good job
Step-by-step explanation:
