At the snack bar, a hot dog costs $1.50 and a slice of pizza costs $2. What percent of the cost of a slice of pizza is a cost of a hot dog? Which equation can be written to represent this scenario?
A. 1.5p=2
B. 1.5=2p
C. 2(1.5)=p
D. 2/1.5=p
How would you determine this answer?