Question

Halle: 35%
480 + 25%
120
– 60% 225

Answer 1

* =multiplicación  

35%480 + 25%120 - 60%225

35/100 * 480 + 25/100 * 120 - 60/100 * 225

0.35 * 480 + 0.25 * 120 - 0.6 * 225 

          168 + 30 - 135

        =   63

  suerte

Answer 2

$\frac{35*480}{100} + \frac{25*120}{100} - \frac{60*225}{100} = \frac{16800+3000-13500}{100}$=

= $\frac{6300}{100} = 63$