I would think the best deal is 5 pizzas for $19.00
The list of equal fractions could be very long, but here are a few that are equal to 4/5.
4*2 = 8
5*2 = 10
8/10 = 4/5
64/80 = 4/5
16/20 = 4/5
I would say 200,00 because if you see it like a roller coaster
down 1234
up 6789
Hope I helped ;-)
Answer:
a+B=c. x+8=17. x+8-8=17-8.
x=9