A group of penguins swam 4/5 mile in 1/3 hour. Use the table to find how many miles the penguins swam in one hour if they swam a
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Answer:
Yearly sales in 1990: $98,800.
Step-by-step explanation:
We have been given that the sales of a certain appliance dealer can be approximated by a straight line. Sales were $6000 in 1982 and $ 64,000 in 1987.
If at 1982, then at 1987 x will be 5.
Now, we have two points (0,6000) and (5,64000).
Now, we will represent this information in slope-intercept form of equation.
, where,
m = Slope,
b = Initial value or y-intercept.
We have been given that at , the value of y is 6,000, so it will be y-intercept.
Substitute values:
Therefore, the equation represents yearly sales.
Now, we will find difference between 1990 and 1982.
To find yearly sales in 1990, we will substitute in the equation.
Therefore, the yearly sales in 1990 would be $98,800.
First we need to find the area of the fence, since paint covers square feet and squared units refers to area. The area of the fence is 26 x 7, which is 182 sq ft. If one gallon of paint will cover 350 sq ft, your proportion will look like this, with gallons of paint on top and square feet on the bottom. 
. Cross multiply to get 350x = 182 and x = .52, just a bit over a half of a gallon of paint.