Answer:
she can make
servings of lasagna with the amount left over
Step-by-step explanation:
Given that:
a lunch lady has 4 pounds of lasagna left over.
If she makes 13 - pound servings;
to determine the amount of servings of lasagna can she serve with the amount left over; we have;
=

=
Hence she can make
servings of lasagna with the amount left over