Question

How many more people prefer visiting ice cream parlors on weekends as compared to the combined number of people who prefer to visit ice cream parlors midweek and on weekdays?

• A. 10 people
• B. 40 people
• C. 30 people
• D. 50 people

Answer 1

The correct option is B 40 people

• The given bar graph shows the visiting preferences of customers to ice cream parlors and the number of people.
  
• Scale on the given bar graph:
  $\Rightarrow$1 division = 20 people

$\text{On weekends}$

• Total divisions in the bar representing the number of people who prefer to visit ice cream parlors on weekends = 8 $\times$ 20 people = 160 people
  
• Therefore, 160 people prefer to visit ice cream parlors on weekends.

$\text{In midweek}$

• Total divisions in the bar representing the number of people who prefer to visit ice cream parlors midweek = 2 $\times$ 20 people = 40 people
  
• The bar representing the number of people who prefer to visit ice cream parlors midweek ends halfway between 40 and 60.
  
• When a bar ends halfway between two grid lines, the value of the bar is halfway between the two numbers on the scale.
  
• So, the number between 40 and 60 is 50.
  
• Therefore, 50 people prefer to visit ice cream parlors midweek.

$\text{On weekdays}$

• Total divisions in the bar representing the number of people who prefer to visit ice cream parlors on weekdays = 3 $\times$ 20 people = 60 people
• The bar representing the number of people who prefer to visit ice cream parlors on weekdays ends halfway between 60 and 80.
• When a bar ends halfway between two grid lines, the data value of the bar is halfway between the two numbers on the scale.
• So, the number between 60 and 80 is 70.
• Therefore, 70 people prefer to visit ice cream parlors on weekdays.

Let’s combine the number of people who prefer to visit ice cream parlors midweek and on weekdays.

• 50 people + 70 people = 120 people

Now, let’s find the difference between 160 and 120.

• 160 people - 120 people = 40 people
• Therefore, 40 more people prefer visiting ice cream parlors on weekends as compared to the combined number of people who prefer to visit ice cream parlors midweek and on weekdays.

Hence, option B is correct.