What is the ratio of girls to boys among the children in the cinema?
Ratios: Proportion and Rates of Change
Interactive Video
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Mathematics, Health Sciences, Biology
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10th - 12th Grade
•
Hard
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The video tutorial explains a math problem involving people in a cinema, where 3/5 are children. The ratio of girls to boys is 2:7, with 170 girls present. The tutorial guides through calculating the number of boys, total children, and adults using ratios and fractions. It also discusses the allocation of marks for each step in solving the problem.
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7 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
How many girls are there in the cinema?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Calculate the number of boys in the cinema based on the given ratio.
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the total number of children in the cinema?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
What fraction of the people in the cinema are children?
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
If 3/5 of the people in the cinema are children, how can you calculate the total number of people?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
How many adults are there in the cinema?
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