Karen purchased a prepaid phone card for $30. long distance calls cost 16 cents a minute using this card. karen used her card only once to make a long distance call. if the remaining credit on her card is $24.08, how many minutes did her last call last?

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.