mei rode her bike 7/10 mile to school her friend julie walked 0.07 mile to school .did the two girls travel the same distance .?
2 answers:
Answer:
The answer is NO
Step-by-step explanation:
In order to determine the answer, we need to compare both distances using the same group of numbers. It is more difficult to compare which is greater, for example, between 1.567 with , because both number belong to different group of number.
So, we change the 0.07 decimal number to a fraction number:
Now, we compare just fractions. Both fractions have the same numerator, so we have to compare denominator. The fraction with the lower denominator is greater than the other.
Thus:
Finally, according to the fraction comparison, Mei traveled more distance than Julie.
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Answer:
a.
b.
Step-by-step explanation:
Theoretical probability is what we expect to happen and experimental probability is what actually happens.
a. In theoretical probability, it doesn't matter what happened in the past. So basically we want to know the probability of rolling a 3 when a number cube is rolled.
There are 6 faces (from 1 to 6) in a number cube. And there is 1 "3". So the probabilty of rolling a 3 is:
1/6
b. In experimental probability, we need to know what happened before. When the cube was rolled 450 times, it came up "3", 67 times.
Hence the experimental probabilty of rolling a "3" is:
67/450