At-shirt increased in price by 1/4 . after the increase it was priced at ? 85. what was the original price of the t-shirt?

so, a whole is 1. or 1/1 or 500/500 and so on.

the original price of this t-shirt was a whole price namely, 4/4.

the new price is 1/4 more than that, 4/4 + 1/4 = 5/4, and we know that's $85.

let's say "x" is the whole price, thus

i need a diagram

step-by-step explanation:

no