Help me with this please

1)

17/20 will have the same value as 1D.

To get this

given D=1

Substitute that into the equation..

you have

E=17/20

To verify this... input E=17/20 into the original equation to see if you will get 1D

17/20 =17/20D

Multiply through by 20/17

You'll have D=1.

So

17/20E will have the same value as 1U.S dollar.

2)

20/17US dollar will Equal 1E.

Solving arithmetically

Given E=1.

Find D subject

your have

D=20E/17

E=1

D=20/17

To verify this answer

substitute D=20/17 and see if you'll get 1E

E=17/20D

E=17/20 x 20/17

E=1.

Conclusion

20/17D will have the same value as 1E

Making

you are having disney spells!