Answer
D
Step-by-step explanation:
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Answer:
She did not consider the multiplicative inverse property of a real number
Step-by-step explanation:
Jacinta in her conclusion did not consider the Multiplicative Inverse property of real numbers.
Let x be an irrational number.
So, 
If x is an irrational number, then its reverse is also an irrational number. So by the Multiplicative Inverse property their product is 1 and 1 is a rational number. Thus, Jacinta was incorrect.
10 laps in 8 minutes
--------------------------------
10
1 lap in 8/10 (4/5) of a minute
Answer is B, 8/10 minute!
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