Help i give brainliest and the answer should be correct

12? not entirely sure because there isn’t much of an equation shown other than “x = 2” so i would assume 2 x 6 = 12? lmk if you get it right

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

270 books in each shelves