Edgar ran eee meters per second, and mathieu ran mmm meters per second. the boys ran for ttt seconds.
the expression t(m-e)t(m−e)t, left parenthesis, m, minus, e, right parenthesis describes how many more meters mathieu ran than edgar ran during that time. we can also use the expression tm-tetm−tet, m, minus, t, e to represent the same quantity.
match each amount in the situation with the expression that represents it.\