the linear function f(x) = 0 5 + 80 represents the average test score in your math class, where x is the number or the test taken. the linear function g(x) represents the average test scores in your science class, where x is the number of the test taken.

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total amount to be paid = $19.5

step-by-step explanation:

given ,

original price = $25.99

discount = 25%

discount amount = 25% of original price

discount amount = 25/100   * 25.99

discount amount = $6.49

hence , the total amount to be paid = original price - discount amount

                                                            = $25.99 - $6.49

                                                            =$19.5

total amount to be paid = $19.5