Question

1. Układ równań:

100x + 50+ y - (100y+50+x)=594

x=4y

2.

100-p/100 * (100-d/100) =1

Answer 1

a)100x+50+y-(100y+50+x)=594

x=4y

100*4y+50+y-(100y+50+4y)594

x=4y

400y+50+y-100y-50-4y=594

x=4y

297y=594/297

x=4y

y=2

x=4y

y=2

x=4*2

y=2

x=8