Let's first calculate the total cost of index cards and notebooks Audrey wants to buy:
Cost of 1 pack of index cards = $1.95
Cost of 4 packs of index cards = 4 x $1.95 = $7.80
Cost of 1 notebook = $1.99
Total cost of index cards and notebooks = $7.80 + $1.99 = $9.79
Now, let's subtract the total cost from the $20 Audrey's mom gave her:
$20 - $9.79 = $10.21
Audrey can buy 5 notebooks with the remaining money.
In total, Audrey can buy 4 packs of index cards and 5 notebooks with the $20 her mom gave her.
Audrey’s mom gave her $20 to buy school supplies. Audrey needs to buy four packs of index cards and some notebooks. If each pack of index cards $1.95 and each notebook cost $1.99 how many nova can Audrey buy using all the money. Her mom gave her.
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