Find the value of 50 5x + 15
1 answer:
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Given:
Carlos buys a game for $7.89 and some batteries for $5.49. He pays with a $20 bill.
To find:
The best estimate of the amount of change he should get.
Solution:
First we need to approximate the data values.
Now, the total cost of game and batteries is
He pays with a $20 bill.
Therefore, the estimated amount of change is $6.50.
The average number of fish per cubic kilometer is .
The correct option is B.
Given
The volume of one of the Great Lakes is 3.5 × 103 cubic kilometers.
The number of fish in the lake = 6. 3 × 107.
<h3>What is the average value?</h3>The average is the middle value of the given data set and is calculated by adding up all the numbers and dividing the result by the total quantity of figures added.
The average number of fish per cubic kilometer is given by;
Substitute all the values in the formula;
Hence, the average number of fish per cubic kilometer is .
To know more about the Average rate click the link given below.