Question

Alexander estimates the capacity of a small soup can to be about 1 fluid ounce. Find and correct his mistake

Answer 1

The average size of soup would be around 8 fluid ounces. 

Answer 2

Here we are given the small soup can is filled with 1 fluid ounce.

Also 1 fluid ounce can fill approximately 1/8 of a soup cup.

So its practically impossible to full a small soup cup with 1 fluid ounce.

Let us find out then how many fluid ounces can fill one soup cup.

Using unitary method:

If 1 fluid ounce can fill 1/8 of a cup.

Then to fill up the cup completely we need 8 fluid ounces.