-2 1/3 -(-5)= 8/3
convert the mixed number to an improper fraction (7/3)
Answer: 13.722 km ; or, write as: 13 13/18 km .
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Explanation:
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Area = Length * width ;
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or, write as: A = L * w ;
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Given: A = 247 km² ;
L = 18 km ;
w = "y" ;
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Find: "y"
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A = L * w ;
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Plug in our values:
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247 km² = 18 km * "y" ; solve for "y" (in units of "km") ;
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18 y = 247 ;
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Divide each side of the equation by "18"; to isolate "y" on one side of the equation; and to solve for "y" :
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18 y / 18 = 247 / 18 ;
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to get:
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y = 13.7222222222222222...... km ; round to: 13.722 km
or; y = 13 13/18 km .
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Answer:
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Step-by-step explanation:
.....
Answer:
Part A) 
Part B) 
Part C) 
Step-by-step explanation:
we know that
A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form
or
Let
x -----> the number of workers
y ----> the number of pieces made
In this problem
The relation between the variables x and y represent a direct variation (proportional variation)
so
For x=16, y=40
Find the value of the constant of proportionality k
substitute the values

The linear equation is equal to

Part A) How many workers are needed to make 20 pieces
For y=20 pieces
substitute in the linear equation


Part B) How many workers are needed to make 25 pieces
For y=25 pieces
substitute in the linear equation


Part C) How many workers are needed to make 100 pieces
For y=100 pieces
substitute in the linear equation

