4. The bar graph illustrates the results of a survey
conducted on cars at a trattic junctions
(1) Find the total number of cars in the survey
(2) Find the total number of people in all
the cars.
(3) Express the number of cars with 4 or more
people as a percentage of the total number
of cars surveyed
(4) If the information is illustrated on a pie chart
find the angle of each sector.
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Answered by
22
Answer:
i) 120
ii) 400
iii) 45.84%
iv) 1 - 60°, 2 - 75°, 3 - 60°, 4 - 90°, 5 - 75°
Step-by-step explanation:
i) 20+25+20+30+25 = 120
ii) 20×1 + 25×2 + 20×3 + 30×4 + 25×5 = 400
iii) 55/120 × 100
iv) 360÷120 = 3
20×3=60°
25×3=75°
20×3=60°
30×3=90°
25×3=75°
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0
Answer:
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