Question
Kenny ordered guitar strings for Glenn’s Guitar Shop. The premium guitar strings are $4.50 apiece. The standard guitar strings are $1.50 apiece. The bill smeared in the rain, but Kenny knows he ordered a total of 80 strings for $225. Kenny wants to solve for the number of each type of string, so he represents variables as shown.
Let x = the number of premium strings.
Let y = the number of standard strings.
The equation for the total number of strings ordered is
.
The equation based on the price of each type of string and the total value of the order is
.
Let x = the number of premium strings.
Let y = the number of standard strings.
The equation for the total number of strings ordered is
.
The equation based on the price of each type of string and the total value of the order is
.
Answers
GPT-4o mini
To solve for the number of each type of guitar string Kenny ordered, we can set up two equations based on the information provided.
1. The total number of strings ordered:
\[
x + y = 80
\]
Here, \( x \) represents the number of premium strings and \( y \) represents the number of standard strings.
2. The total value of the order based on the prices:
\[
4.50x + 1.50y = 225
\]
Now, we have a system of linear equations:
1. \( x + y = 80 \)
2. \( 4.50x + 1.50y = 225 \)
With these equations, Kenny can now solve for \( x \) and \( y \).
1. The total number of strings ordered:
\[
x + y = 80
\]
Here, \( x \) represents the number of premium strings and \( y \) represents the number of standard strings.
2. The total value of the order based on the prices:
\[
4.50x + 1.50y = 225
\]
Now, we have a system of linear equations:
1. \( x + y = 80 \)
2. \( 4.50x + 1.50y = 225 \)
With these equations, Kenny can now solve for \( x \) and \( y \).
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