In the stock market, four different stocks have an average price of $100 per stock. The price of a Drone stock is $70. What is the average price of the three other stocks (not including the Drone stock)?
Answers
Answered by
42
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STEP 1: Find the total amount of the 4 stocks:
Average = $100
Sum = 4 x 100 = $400
STEP 2: Find the total amount of the 3 stocks
400 - 70 = $330
STEP 3: Find the average of the 3 stocks
330 ÷ 3 = $110
Answer: The average of the 3 stocks is $110
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austenjt:
I disagree: if the $70 prices is not an average price, which it is not, since the question DOES NOT state that it is, then you CANNOT infer that 4 x $100 is the average price of the 4. This answer is SOOO wrong! I cannot believe that 42 people liked this and didn't see that it was incorrect.
$70 is not the average price. $70 is the price of the Drone stock.
The question states that "four different stocks have an average price of $100 per stock. ". That is how we inferred that the average is $100 and therefore the sum of the 4 sums is 4 x 100 = $400.
The question states that "four different stocks have an average price of $100 per stock. ". That is how we inferred that the average is $100 and therefore the sum of the 4 sums is 4 x 100 = $400.
Answered by
18
Given
Average price of a four different stock=100
the price of drone is(x)= 70
According to the problem
x+x+x+x÷4=100
3x+70=400
3x=330
x=110
The average price of a four different stock is 110
Average price of a four different stock=100
the price of drone is(x)= 70
According to the problem
x+x+x+x÷4=100
3x+70=400
3x=330
x=110
The average price of a four different stock is 110
yes it is right
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