Math

Racin riley:

A small drink cost $1.80. The medium drink costs $2.50. The large drink costs $4.50. what is the cost per ounce for each size?

I don't get it...

How many onces can fill a cup?

It miss some information I think.

Thanks Sam.

It definitely misses info. We need to know how many ounces are in each cup.
besides, liquid is not measure in cups. maybe it is cups of flour