Answered

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Annie buys some greeting tickets cards. Each card costs $1.75. She pays with with a twenty dollor bill. Let N represent the number of greeting cards annie buys. Write an expression that represents the amount of change annie shall receive.

Sagot :

Answer:

$20 - $1.75N

Step-by-step explanation:

the amount of change she receives is equal to the amount she paid less the total value of cards

total value of cards = price per card x total quantity of cards bought

$1.75 x N =  $1.75N

Amount of change = $20 - $1.75N

If she buys 10 cards, the amount of change she receives would be

$20 - $1.75(10) =

20 - 17.5 = 2.5

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