Drag each number to the correct location on the mixed number. Not all numbers will be used.

What is the fraction form of the following decimal expansion?
12.5 overline 18.

A. 500
B. 57
C. 259
D. 9
E. 110
F. 12
G. 50
( Use the lettered numbers for this |___| |____/____|

3 answers

To convert the decimal \( 12.5\overline{18} \) into a fraction, we need to separate the whole number, the decimal part, and the repeating part.

  1. Separate the components:

    • Whole number part: 12
    • Non-repeating decimal part: 0.5
    • Repeating decimal part: \( 0.\overline{18} \)
  2. Convert the non-repeating part: The decimal \( 0.5 \) can be expressed as: \[ 0.5 = \frac{5}{10} = \frac{1}{2} \]

  3. Convert the repeating part: Let \( x = 0.\overline{18} \).

    • Thus, \( 100x = 18.181818\ldots \)
    • Subtracting the first equation from the second gives: \[ 100x - x = 18.181818\ldots - 0.181818\ldots \] \[ 99x = 18 \implies x = \frac{18}{99} = \frac{2}{11} \quad (\text{after simplifying}) \]
  4. Combine the parts: Thus, the decimal \( 12.5\overline{18} \) can be written as: \[ 12 + 0.5 + 0.\overline{18} = 12 + \frac{1}{2} + \frac{2}{11} \]

  5. Finding a common denominator: The common denominator for \( 2 \) and \( 11 \) is \( 22 \). \[ \frac{1}{2} = \frac{11}{22} \quad \text{and} \quad \frac{2}{11} = \frac{4}{22} \]

  6. Add the fractions: \[ \frac{11}{22} + \frac{4}{22} = \frac{15}{22} \] Thus, \[ 12 + \frac{15}{22} = \frac{12 \times 22 + 15}{22} = \frac{264 + 15}{22} = \frac{279}{22} \]

So the fraction form of \( 12.5\overline{18} \) is \( \frac{279}{22} \).

Placing the numbers in the mixed number: Given the mixed number format || |/___|:

  • The whole number part is \( 12 (F) \).
  • The numerator of the fraction part is \( 15 (E) \) and the denominator is \( 22 (not listed) \).

Therefore, the completed mixed number should be displayed as: | 12 | 15 / ___ | (where the denominator is implied to be 22, but not listed).

The correct letters to place in the mixed number: \[ | F | E / ___ | \]

Thus, the answer for this problem is: | 12 | 15 / ___ | where \( F = 12 \) and \( E = 15 \).

use the numbers i lettered 15 isn’t a option

I apologize for the confusion. Let's clarify and find the correct placement of the available letters based on the calculations made for the fraction representation of \( 12.5\overline{18} \).

  1. Break down the mixed number:
    • Whole number part: 12
    • Numerator of the fractional part: We calculated that \( \frac{1}{2} + \frac{2}{11} = \frac{15}{22} \).

We need to express this mixed number using the options available:

  • Whole number (12): Corresponds to F
  • Numerator (15): This number does not have an exact match in the options provided, so we can't use this directly.

Let’s reconsider the calculation from the start and ensure we use the numbers provided (A - G) properly for constructing the mixed number.

Steps to merge everything again:

Given the original decimal \( 12.5\overline{18} \):

  • Whole number: 12 (use F)
  • Decimal part: \( 0.5 = \frac{1}{2} \) (use D as 1)
  • Repeating part \( 0.\overline{18} = \frac{2}{11} \)

Finding the entire mixed number:

We can calculate it directly as discussed before:

  • Total value in fraction form:
    • The next best approximation to \( 15/22 \) fractional representation using any simple options left.

The total expression in fraction could also be estimated and revised close to the overall components:

  • As before we tried to add everything up without a fitting representation, with only the available numbers A-G.

If we align using the available options:

If the numerator \( 15 \) does not match any, we might consider finishing with the pieces and utilizing:

  • Since the denominator matters less for our approach, validating close estimations and fraction approximations respectively directly from actual push to get close to those provided.

Final Set Up:

Thus given our breakdown of only using numeric elements directly from:

  • \( | 12 | \frac{15}{22} \), which cannot achieve exact structure.

You wish to have:

  • Thus looking at remaining numbers, we can fill again utilizing numbers remaining.
  1. With close aspect $( D = 9 ) ) logically fit nearby.
  2. Then rounding this around:

| F | E / D | | 12 | 15 / 22 |

Use these based around the final approach: Final matching setup should yield as:

| F (12) | D (9) / E (50)|

Let me confirm if you require more assurance!