Sarah received a score of 850 on the SAT and has signed up for a test prep class to help her improve her score. The test prep company claims that each class she attends will increase her score by 10 points.
Part A: Assuming the test prep company's claim is correct, define each variable and write an expression to represent Sarah's SAT score after she attends any given number of classes.
Let x represent the number of classes Sarah attends.
Her SAT score after attending x classes can be represented by the expression: 850 + 10x
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Let's define the variables:
- S: Sarah's initial SAT score (850)
- c: The number of classes Sarah attends
- p: The increase in her SAT score per class attended (10)
To represent Sarah's SAT score after she attends any given number of classes, we can use the following expression:
S + c * p
So, the expression to represent Sarah's SAT score after attending any number of classes is:
850 + c * 10
To define the variables, let's consider:
S = Sarah's initial SAT score (850)
C = Number of classes attended
To represent Sarah's SAT score after attending any given number of classes, we add the number of classes she attended multiplied by the increase in score for each class.
The expression would be:
Score = S + (C * 10)