Jenny makes 2 gallons of punch to serve 16 guests at her party. Jenny wants to invite 80 guests to the party. How many gallons of punch should she make?

Question

A 8 gallons

B 10 gallons

C 16 gallons

D 80 gallons

Answer 1

2 * (80/16) = 10 gallons total
but
she already has two
so 8 more

Answer 2

The English of the question stinks.