What is the area of this composite figure?
2 answers:
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The first thing we must do for this case is to define variables:
We have then:
x: liz's age
y: melinda's age
We now write the system of equations:
By solving the system graphically we have that the age of each one is currently:
Next year, the age of liz is:
Answer:
Next year, Liz's age is 11 years.
Note: see attached image for the graphic solution.
We have then:
x: liz's age
y: melinda's age
We now write the system of equations:
By solving the system graphically we have that the age of each one is currently:
Next year, the age of liz is:
Answer:
Next year, Liz's age is 11 years.
Note: see attached image for the graphic solution.