Substitution Worksheet With Answer Key - Waynesville R-Vi School District Page 28
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38systems of equations.
First, look for a variable that can easily be solved for. An equation containing a variable with a coefficient of 1 can
6-2 Substitution
easily be solved for the variable. That expression can then be substituted into the second equation for the variable.
The debate team plans to make and sell trail mix. They can spend $34.
The pounds of raisins in the mix is to be 3 times the pounds of sunflower seeds. Which system can be used to find r,
the pounds of raisins, and p , pounds of sunflower seeds, they should buy?
p + 1.5r = 34. Then, use the pounds of
raisins in the mix is to be 3 times the pounds of sunflower seeds to find the second equation of 3p = r.
So, the correct choice is A.
The perimeters of two similar polygons are 250 centimeters and 300 centimeters,
respectively. What is the scale factor of the first polygon to the second?
Based on the graph, which statement is true?
Page 28
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