Let's assume that x is the number of brownies sold, and y is the number of chocolate chip cookies sold.
From the given information, we can create a system of equations:
Equation 1: 2x + 1y = 260 (the total amount raised is $260)
Equation 2: x + y = 190 (the total number of items sold is 190)
We can use substitution to solve for one of the variables. Let's solve for y:
y = 190 - x
Now we can substitute y in Equation 1 with 190 - x:
2x + 1(190 - x) = 260
Simplifying this equation, we get:
2x + 190 - x = 260
x + 190 = 260
x = 70
So the sorority sold 70 brownies. We can use Equation 2 to find the number of chocolate chip cookies sold:
y = 190 - x = 190 - 70 = 120
Therefore, the sorority sold 70 brownies and 120 chocolate chip cookies.
Solve the system of equations using substitution.
A sorority held a bake sale to raise money and sold brownies and chocolate chip cookies. They priced the brownies at $2 and the chocolate chip cookies at $1. They raised $260 and sold 190 items.
How many brownies and how many cookies were sold?
2 answers
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