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  • 20.- The circle graph gives the distribution of salad dressing chosen by customers at a restaurant. If approximately 200 customers order salad each day at the restaurant, which of the following is closest to the difference per day between the number who choose Italian dressing, and the number who chose vinaigrette dressing? a) 10 Salad Dressing b) 20 Italian c) 30 Vinaigrette d) 50 Blue Cheese French

20.- The circle graph gives the distribution of salad dressing chosen by customers at a restaurant. If approximately 200 customers order salad each day at the restaurant, which of the following is closest to the difference per day between the number who choose Italian dressing, and the number who chose vinaigrette dressing? a) 10 Salad Dressing b) 20 Italian c) 30 Vinaigrette d) 50 Blue Cheese French

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Answer

  • Answer

Answer: The number of customers who chose Italian dressing is 90.

Explanation:
This problem involves understanding the distribution of salad dressing choices among customers, which is represented by a circle graph (pie chart). The key concepts involved are percentage calculations and proportions. The problem asks to find the difference in the number of customers choosing Italian dressing and vinaigrette dressing, given the total number of customers and the percentage distribution.

The method involves:

  • Calculating the number of customers for each dressing based on the percentage.
  • Finding the difference between the two numbers.

Steps:

  1. Identify the total number of customers:

Total customers = 200

  1. Determine the percentage for Italian dressing:

From the table, Italian dressing = 45%

  1. Calculate the number of customers who chose Italian dressing:

\[ \text{Number of Italian dressing customers} = \frac{45}{100} \times 200 = 0.45 \times 200 = 90 \]

  1. Determine the percentage for Vinaigrette dressing:

Vinaigrette = 30%

  1. Calculate the number of customers who chose Vinaigrette dressing:

\[ \frac{30}{100} \times 200 = 0.30 \times 200 = 60 \]

  1. Find the difference between Italian and Vinaigrette dressing customers:

\[ 90 - 60 = 30 \]

  1. Question asks for the difference between the number who chose Italian dressing and the number who chose vinaigrette dressing:
  • The difference is 30.

Note: The question also mentions the number who chose vinaigrette dressing, but the main calculation is to find the number for Italian dressing, which is 90.

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