Alexis bought x boxes of cereal for$3each, including tax, and paid with a$20bill. which expression represents the total amount of change she should recieve? urgent a.20-3xb.(3-20)xc.3x-20d.(20-3)x

A.20-3x

Step-by-step explanation:

Number of boxes of cereals bought by Alexis = x

Cost of each cereal box = $3

Total amount Alexis spend on cereals box =

= $ 3x

Alexis paid with a $20 bill.

So, Total amount of change received by Alexis =

So, the expression which represents the change received by Alexis is

20-3x.

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Number of boxes of cereals bought by Alexis = x

Cost of each cereal box = $3

Total amount Alexis spend on cereals box =

= $ 3x

Alexis paid with a $20 bill.

So, Total amount of change received by Alexis =

So, the expression which represents the change received by Alexis is

20-3x.

So, Option A is the correct answer.

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.

yes

step-by-step explanation:

yes