Circle graphs: find the amount for a sector
Use the percentages shown in a circle graph and the total surveyed to find how many people or items a sector represents. Unlimited questions, five difficulty levels, and a full worked solution every time — free.
Try one
A survey of 120 students asked about their how they get to school. The circle graph shows the results below. How many students chose biking?
biking: 45%
school bus: 35%
the GO train: 20%
Answer: 54
See one solved, step by step
A survey of 200 students asked about their favourite pizza topping. The circle graph shows the results below. How many students chose bacon?
veggie: 40%
bacon: 25%
cheese: 20%
pepperoni: 15%
📘 Worked solution
125% of 200 = 0.25 · 200Convert the percent to a decimal (divide by 100), then multiply by the total number surveyed.
2= 50 studentsMultiply it out -- that's how many students picked bacon.
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