Information and IdeasHardSupporting a fraction claim
Information and Ideas practice question
Bikes in a school's bike shed by type:
Mountain: 48
Road: 24
Folding: 18
Electric: 6
A teacher claims that mountain bikes make up half of the bikes in the shed. Which choice most effectively uses data from the table to support the claim?
- A. There are 48 mountain bikes out of 96 in total, which is exactly half.Correct
- B. There are twice as many mountain bikes as road bikes.
- C. Mountain bikes are the most common type.
- D. There are 48 mountain bikes.
Answer: A. There are 48 mountain bikes out of 96 in total, which is exactly half.
Half of the total: 48 of 96.
Why the other answers are wrong
- B. There are twice as many mountain bikes as road bikes.
- A comparison with one type doesn't establish half of all.
- C. Mountain bikes are the most common type.
- Most common doesn't establish half.
- D. There are 48 mountain bikes.
- A count without the total.
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