The cost, C, of materials for a deck varies jointly with the width w and the length l. If C = $470.40 when w = 12 and l = 16, fi
1 answer:
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Answer:
g = 33%
Step-by-step explanation:
To solve this;
The values in the ends of the rows are found by adding together the two previous cells.
Thus;
For the first row, we would add the value in cell AC to the value in AD to get the value in the corresponding column named "Total". This means we add 20% +g to get 53%;
Thus;
20% + g = 53%
Subtract 20% from each side to give;
g = 53% - 20%
g = 33%
Answer:
109 seals
Step-by-step explanation:
Let
x -----> approximate total seals in the area
we know that
In a survey, you count 58 seals, 16 of which were marked
Using proportion
Find out how many seals are in the area , if there are 30 marked seals
Round to the nearest whole number