Maria would like to leave a tip (D) of at least 15% of her total dinner bill (3). Which inequality could Maria use to calculate the possible amounts she could leave as a tip?

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0