Respuesta :

Answer:

5 hours

Step-by-step explanation:

First subtract the food cost from the total bill.

351.20 - 200.60 = 150.6

Than divide 150.6 by 30.12

150.6 ÷ 30.12 = 5

Answer:

she spent 5 hrs at the party

Step-by-step explanation:

351.20-200.60

=150.6

150.6 divided by 30.12

=5

therefore she was at the party for 5 hrs