In a pencil case the ratio of pens to pencils is 7:5. There are 14 pens. How many pencils are there?
1 answer:
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Answer:
The answer is "1.555"
Step-by-step explanation:
In the given question choices were not defined som the correct answer to this question can be defined as follows:
Given:
The value of z* for 88% confidence interval are:
Step One
Change to improper fractions.
1 3/11 = 14/11
1 3/4 = 7/4
Step Two
Find the common denominator
11 = 11 * 1
4 = 2 * 2
The common denominator = 11 * 2 * 2 = 44
Step 3
change the improper fractions to the common denominator.
-21/44 That has to be your final answer.
Answer:
- <em><u>Given </u></em><em><u>,</u></em>
student's age = x years.
- <em><u>Also </u></em><em><u>,</u></em>
Teacher's age = 2x + 6
- <em><u>And </u></em><em><u>,</u></em>
Principal's age = 3x + 10
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Difference between ages ,
therefore ,
second option is the correct answer.
hope helpful ~