Answer:
A
Step-by-step explanation:
Gallons of flat paint sold: 33
Gallons of high-gloss paint sold: 57
Total gallons of flat paint & high-gloss paint sold: [tex]33+57=90[/tex]
Hence, the ratio of gallons of high-gloss sold to total gallons sold is simply:
[tex]57:90[/tex]
That is answer choice A.