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2 years ago

5

Suppose the ratio of Lev's age to Mina's age is $1 : 2$ and the ratio of Mina's age to Naomi's age is $3 : 4$. What is the ratio

of Lev's age to Naomi's age? Give your answer in simplest form.

1 answer:

lisabon 2012 [21]2 years ago

5 0

Answer:

answer: 2:2

Step-by-step explanation:

1:2+2:2 to get 3:4

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Step-by-step explanation:

Given

$p \to$ close

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So, we have:

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Solving (b): He closes for the first time on the 3rd attempt

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So, we have:

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So, we have:

$Pr = q * p$

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The event that he does not close any of his first three attempts is: q q q

The probability is:

$Pr = q*q*q$

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$Pr' = 1- Pr$ --- complement rule

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