A second number is 5 less than a first number. a third number is three times the first number. if the sum of the three numbers is 555, find the numbers. (a) 110 / 105 / 330 (b) 105 / 100 / 315 (c) 125 / 120 / 375 (d) 112 / 107 / 336

Respuesta :

let x 1st number
x-5=2nd number
3x=3rd num

x+x-5+3x=555
5x=560
x=112

112, 107, 336