Problem 1
2 answers:
Jayden has and begins saving
per week.
Aditi has and begins spending
per week.
Have <u>x denote the number of weeks and y indicate the quantity each person has</u>. Therefore, according to the stated conditions, the maximum amount Jayden will have after x weeks will be,
Aditi will have after x weeks. Therefore, the number of weeks in which they will each have the same amount will be calculated as,
As a result, after 7 weeks, Lin and Diego will have the same amount, which is .
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Answer:
(a)
(b)
i.
ii.
iii.
Step-by-step explanation:
Given
Solving (a): List all possible elements using set-roster notation.
The possible elements are:
And the number of elements are:
Solving (bi) Exactly 1 girl
From the list of possible elements, we have:
And the number of the list is;
The probability is calculated as;
Solving (bi) At least 2 are girls
From the list of possible elements, we have:
And the number of the list is;
The probability is calculated as;
Solving (biii) No girl
From the list of possible elements, we have:
And the number of the list is;
The probability is calculated as;