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) A camera shop charges $3.99 for an enlargement of
1 answer:
Answer:
Total Cost
Step-by-step explanation:
Given:
Charges for an enlargement of 1 photograph =
Delivery charge per order =
Let number of enlargements of photograph in an order be
We need to find the Total cost C of an order.
So the Total Cost would be equal to Charges for an enlargement of 1 photograph number of enlargements of photograph in an order plus Delivery charge per order.
Total Cost per order
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Using the <u>arrangements and the probability concept</u>, it is found that there is a 0.75 = 75% probability that the number formed is not divisible by 4.
- A probability is the <u>number of desired outcomes divided by the number of total outcomes</u>.
- The number of possible arrangements of n elements is given by
In this problem, there are 4 elements, hence .
A number is a multiple of 4 if the <u>number composed by it's last 2 digits are multiples of 4</u>.
- Hence, the possible options for the last 2 digits are: 56, 68, 76.
- For each of them, there are
options for the first 2 digits, hence, there will be 2 x 3 = 6 multiples of 4.
The other 18 numbers formed are not divisible by 4, hence:
0.75 = 75% probability that the number formed is not divisible by 4.
For more on <u>arrangements and probabilities</u>, you can check brainly.com/question/24437717