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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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