20. Angela and Neil are going to the movies. They each bought a medium popcorn, and Neil got a small soft
drink. Angela had a $10 gift certificate to put toward the cost, and Neil paid the rest, which came to $19.30.
A movie ticket costs $9.00 and a medium popcorn costs $4.40. How much does a small soft drink cost at the
theater?
a. $6.90
b. $1.30
c. $15.90
d.$2.50