alleryA pie chart shows a slice of central angle 72° representing food spending. What percentage of total spending was on food?
A$30\%$
B$20\%$
C$25\%$
D$18\%$
Answer & Solution
Correct answer: B. $20\%$
Pie chart: % = angle/360 × 100. 72/360 × 100 = 20%.
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