What is value? i have a art test to study for?

I'm working on an assignment that has to do with digital art and this is my masterpiece that i've worked on. i was wondering if anyone knew any websites that i could possibly sell my digital artwork? i'd be very appreciated and will gladly mark the right website that does sell digital art as well brainliest! you!

Amuseum curator determines that the best way to make an eleventh-century stone sculpture accessible to a wide range of viewers is to

4/5 of a number is 64 find the number