Question

You have a whole pizza in the refrigerator. On your first trip you eat half of it. On each other trip you eat another half of what is left. After five trips what fractional part of the pizza have you ate?

Answer 1

Answer: You would have eaten 31/32 of the pizza.

Explanation:

1/2 + 1/2^2+1/2^3+1/2^4+1/2^5 =

1/2(1-(1/2)^5)/1-1/2 =

1-1/32=

31/32

good question.