Someone came into my shop and stole $100 from the register without my knowledge, the same person came back with the $100 five mins later and bought $70 in items and i gave him back $30 in change. how much money did i lose?

What properties allow transformation to be used as a problem solving tool

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

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !