Suppose you're waiting in line for a concert. You can't see the front of the line,but you want to know what your place in line is.Only the first 100 people get free t- shirts！ You can't step out of line because you'd lose your spot. What should you do?Suppose you're waiting in line for a concert. You can't see the front of the line, but you want to know what your place in line is. Only the first 100 people get free t￾shirts! You can't step out of line because you'd lose your spot. What should you do?