A scientist wants a 45 milliliter saline solution with a concentration of 11%. She has concentrations of 7% and 19%. How much of
1 answer:
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Answer:
A, C, D
Step-by-step explanation:
Solve all equations:
A.
This is incorrect equality, so the equation has no solutions.
B.
This is correct equality, so the equation has infinitely many solutions.
C.
This is incorrect equality, so the equation has no solutions.
D.
This is incorrect equality, so the equation has no solutions.
