Solve for x, will give brainliest

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

Steve had 48 chocolates but he decided to give 8 chocolats to each of his f coworkers. how many chocolates does steve have left

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i