Question

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 please help
a.20-3x
B.(3-20)x
C.3x-20
D.(20-3)x

Answer 1

Answer: 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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Answer 2

Number of boxes of cereals bought by Alexis = x

Cost of each cereal box = $3

Total amount Alexis spend on cereals box = $\ (3 \times x)$

= $ 3x

Alexis paid with a $20 bill.

So, Total amount of change received by Alexis = $\ (20-3x)$

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

20-3x.

So, Option A is the correct answer.