Question

50* (х:16)=40.150                                              2.700 + у *400=170.700

Answer 1

50*(x:16)=40,150
x:16=40,150:50
x:16=0,803
x=0,803*16
x=12,848

2,700+y*400=170,700
y*400=170,700-2,700
y*400=168
y=168:400
y=0,42