Respuesta :

Solution

  • 5x + 7x = 270

  • 12x = 270

  • 6x = 135

  • x = 135/6

so the shares are :

  • 5 × 135/6 = 675/6

  • £ 112.5

and

  • 7 × 135/6 = 945/6

  • £ 157.5
5+7= 12
270/12=22.5
22.5x5=112.5
22.5x7=157.5
£112.50:£157.50