The expression 2(a+b)=−8.1 for certain values of a and b. Find the value of the following expressions for the same values of a a
1 answer:
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The equation for Louis's purchase is:
The equation for Kate's purchase is:
The equation for Biff's purchase is:
Step-by-step explanation:
First of all we have to define variables for each item involved in the purchase
Let x represent burger
y represent soda
z be the slice of pizza
Then
"Louis bought a burger and soda for $8"
"Kate purchased a slice of pizza and soda for $9"
"Biff purchased a burger, a slice of pizza and a soda for $13.50"
The equation for Louis's purchase is:
The equation for Kate's purchase is:
The equation for Biff's purchase is:
Keywords: Linear Equations, Variables
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