Question

determinati x
/=supra
1/6=x+3/30
1/8=x+3/40

28 p si coroana​

Answer 1

1/6=x+3/30

6(x+3)=1*30

6x+18=30

6x=30-18

6x=12

x=2

1/8=x+3/40

8(x+3)=40*1

8x+24=40

8x=40-24

8x=16

x=2

Answer 2

1/6=x+3/30
5/30=x+3/30
=>5=x+3
x=5-3
x=2

1/8=x+3/40
5/40=x+3/40
=> 5=x+3
x=5-3
x=2