Using the given information, the value of Σfd is 800
<h3>Calculating mean using Assumed mean </h3>From the question, we are to determine the value of Σfd
The formula for mean, using the assumed mean method is given by
Where is the mean
A is the assumed mean
From the given information,
Putting the parameters into the equation, we get
Hence, the value of Σfd is 800
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Answer:
Grant will make $60 from selling 12 magazines.
Step-by-step explanation:
Let m represent number of magazine sold and A represent amount of money earned.
We have been given that Grant earns $5 for each magazine he sells. So amount earned from m magazines would be 5 times m that is dollars.
Now, we will equate total amount earned by Grant with A as:
Therefore, our required equation would be .
To find the amount earned by Grant by selling 12 magazines, we will substitute in our equation as:
Therefore, Grant will make $60 from selling 12 magazines.