What is the difference between an approximate answer and an exact answer

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides. should be his answer