To determine who won the race, we need to convert Liam's time from a mixed fraction to a decimal.
Liam's time is 7 7/8 seconds. To convert 7 7/8 into a decimal:
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Convert the fraction 7/8 into a decimal: \[ 7 \div 8 = 0.875 \]
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Add this to the whole number 7: \[ 7 + 0.875 = 7.875 \text{ seconds} \]
Now we can compare the times:
- Mason's time: 7.75 seconds
- Liam's time: 7.875 seconds
Since 7.75 seconds is less than 7.875 seconds, Mason won the race.