1. Someone thinks of a number y. He subtracts 3 from the number, then doubles it. What is the final result, in terms of y?
2. Solve for z.
\( 1 + \dfrac1{1 + \dfrac1{1 + \dfrac1z}} = 5\)
+1224 1. Start with a number: y
Subtract 3: y - 3
Double it: 2(y-3)
2. Start from the inside and work outwards.
1 + (1/(1 + 1/((z+1)/z)))= 5
and so on.
