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Create a proportion using the form %/100 = is/of to represent the following word problem.

15 is 1 1/2% of what number?

1 answer

To create a proportion in the form of %/100 = is/of for the problem "15 is 1 1/2% of what number?", we can break it down as follows:

  1. Convert 1 1/2% to a decimal or an improper fraction.
    • 1 1/2% = 1.5% = 1.5/100 or 1.5.
  2. Identify each part for the proportion:
    • % = 1.5
    • is = 15
    • of = unknown number (let's call it x)

The proportion can be set up as:

\[ \frac{1.5}{100} = \frac{15}{x} \]

So the complete answer would be:

\[ \frac{1.5}{100} = \frac{15}{x} \]

Now you can use this proportion to solve for x, if needed.