Which of the values of m and b will create a system of equations will infinitely many solutions y=mx+b ,y=-2x+4
1 answer:
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Answer:
Joy must use 80 milliliters of solution at 20% and 20 milliliters of solution at 60%
Step-by-step explanation:
Let
x -----> milliliters of solution at 20%
y -----> milliliters of solution at 60%
we know that
----> equation A
so
----> equation B
Solve the system of equations by graphing
Remember that the solution of the system is the intersection point both graphs
The solution is the point (80,20)
see the attached figure
therefore
Joy must use 80 milliliters of solution at 20% and 20 milliliters of solution at 60%
