Well we know a Minute is made up of 60 seconds so we want to break up 16 into 1/4 one fourths is breaking up the number into four parts like one dollar in 1/ fourth is $.25 so in this case one fourths of a minute is 15 seconds
1. c (multiply by 3 to get 9x - 3y = 15) 2. c (add the new top expression with the bottom one to get 11x = 0) substitute 0 into either equation to get -5)
