A company that prints Blue Books for exams makes a profit according to the number of books sold. Suppose that the Profit is
1 answer:
Answer:
The answer is not complete. I will explain the concept of profit to you.
Step-by-step explanation:
We can determine profit deducting direct costs (cost price) of commodities from sales (selling prices) of the commodities.
Profit = Selling Price - Cost Price
Example:
A trader buys some dresses for #2,500 in May and agrees to pay for it in three months’ time. He sells off all the dresses in August for #4,500. The profit for the month is #2,000.
The formula for percentage profit is
The formula for gross profit is Revenue – Cost of Sold Items
Profit Margin = * 100
While Gross Profit Margin can be calculated as * 100
Any of these formulas can be used to calculate profit-related questions.
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Answer:
Step-by-step explanation:
GIVEN: Suppose that in a certain county of voters are registered as Democrats,
as Republicans,
as Green party, and the rest are considered Independents. You conduct a poll by calling registered voters in the county at random.
TO FIND: Probability that the first call will be to either a Democrat or a Republican.
SOLUTION:
Lets total population of county be .
voters registered as Democrats
voters registered as Republicans
voters registered as Green party
Probability that first call will be to Democrats
Probability that first call will be to Republican
probability that the first call will be to either a Democrat or a Republican
Hence the probability that the first call will be to either a Democrat or a Republican is