Yaritza runs a farm stand that sells peaches and grapes. Each pound of peaches sells for $2.50 and each pound of grapes sells for $3.75. Yaritza made $225 from selling a total of 75 pounds of peaches and grapes. Graphically solve a system of equations in order to determine the number of pounds of peaches sold, x, commax, and the number of pounds of grapes sold, yy.
Question
Yaritza runs a farm stand that sells peaches and grapes. Each pound of peaches sells for 3.75. Yaritza made $225 from selling a total of 75 pounds of peaches and grapes. Graphically solve a system of equations in order to determine the number of pounds of peaches sold, x, commax, and the number of pounds of grapes sold, yy.
Solution 1
To solve this problem, we need to set up two equations based on the information given.
The first equation is based on the total weight of the peaches and grapes sold, which is 75 pounds. If we let x represent the weight of the peaches sold and y represent the weight of the grapes sold, this equation can be written as:
x + y = 75
The second equation is based on the total money made from selling the peaches and grapes, which is 2.50 and each pound of grapes sells for $3.75, this equation can be written as:
2.5x + 3.75y = 225
To graphically solve this system of equations, you would graph each equation on the same set of axes. The point where the two lines intersect represents the solution to the system of equations.
The x-coordinate of the point of intersection represents the number of pounds of peaches sold, and the y-coordinate of the point of intersection represents the number of pounds of grapes sold.
To find the exact solution, you would need to use a method such as substitution or elimination. However, the graphical method can give you a good estimate of the solution.
Solution 2
To solve this problem graphically, we first need to set up two equations based on the information given in the problem.
Let's denote: x = the number of pounds of peaches sold y = the number of pounds of grapes sold
From the problem, we know two things:
- The total amount of money made from selling peaches and grapes is $225.
- The total weight of peaches and grapes sold is 75 pounds.
This gives us the following two equations:
2.50x + 3.75y = 225 (This is because each pound of peaches sells for 3.75, and the total money made is $225)
x + y = 75 (This is because the total weight of peaches and grapes sold is 75 pounds)
To solve this system of equations graphically, you would plot both of these equations on the same set of axes and find the point where they intersect. The x-coordinate of the intersection point will give you the number of pounds of peaches sold, and the y-coordinate will give you the number of pounds of grapes sold.
However, this is a text-based platform and we can't plot graphs here. So, we can solve it algebraically instead.
From the second equation, we can express y in terms of x:
y = 75 - x
Substitute y in the first equation:
2.50x + 3.75(75 - x) = 225 2.50x + 281.25 - 3.75x = 225 1.25x = 225 - 281.25 1.25x = -56.25 x = -56.25 / 1.25 x = -45
This is not a valid solution because the number of pounds cannot be negative. There might be a mistake in the problem statement or in the calculations. Please check the numbers again.
Similar Questions
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