aIn a class of students, the following data table summarizes how many students passeda test and complete the homework due the da
y of the test. What is the probability thata student who passed the test did not complete the homework?Passed the test Failed the testCompleted the homework112.2Did not complete the homework3N
1 answer:
According to the given table, the number of students that passed the test and did not complete the homework is
Also, from the table, we get that the total number of students that passed the test is
Therefore, the probability that a student that passed the test did not complete the homework is:
Answer:
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Answer:
The number of marbles Richard has 24 and John has 6.
Step-by-step explanation:
Richard has four times as many marbles as john.
If Richard have 18 to John they would have the same number.
Now, to find number of marbles each has.
Let the marbles of John be .
And the marbles of Richard be
According to question:
<em>Subtracting both sides by we get:</em>
<em>Dividing both sides by 3 we get:</em>
<u><em>Marbles of John</em></u><em> = </em>
<u><em>Marbles of Richard</em></u><em> = </em>
Therefore, the number of marbles Richard has 24 and John has 6.