I would say 100 hours i am not for sure cause i am a bit confused. sorry
Understanding subtraction of rational numbers as adding the additive inverse p-q=p+(-9)
The regression line will be y = 20.64 - 0.3038x.
<h3>How to explain the regression?</h3>
It should be noted that regression is a statistical method that determine the relationship between the variables.
Here, the regression line will be y = 20.64 - 0.3038x. The slope coefficient is -0.03038 and the intercept is 20.460.
The slope coefficient defines that for a unit increase in the percentage of vacancy rate will reduce 0.3038 unit of monthly office rent.
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Y= 7x - 7z -9
+9 +9 Y+9+7z /7=x
Y+9 = 7x - 7z
+7z +7z
Y+9+7z = 7x
/7 /7
Number of soda crates sold by Kent last week = 41
Amount made by Kent for selling each crate = $3.14
Amount made by Kent by selling 41 crates = (3.14 * 41) dollars
= (314/100) * 41 dollars
= 12874/100 dollars
= 128.74 dollars
So the amount of money Kent makes by selling 41 crates of soda bottle is $128.74. this is the easiest way of solving such type of problems. I hope this method will help you to solve these kind of problems in future without requiring any help from others.