Answer:
The value is 
Step-by-step explanation:
Generally the productivity rate is mathematically represented as

Here K is the ha the farmer could harvest in an hour and Z is a typical yield of corn in kg/ha
Now considering 1970
The productivity rate is

=>
Now considering 1940
The productivity rate is given as
Generally the productivity ratio is mathematically ration is mathematically represented as

=> 
=> 
Answer:
approximately 1 to 7.674 billion people
Step-by-step explanation:
cause theres 7.674 billion peepsin the world
Isolate x.
24x = 48 - 2y
Divide by 24.
x = 2 - y/12
Answer: 4x + 6y >/ 50
Step-by-step explanation:
The answer is A. 4x + 6y is greater than or equal to 50
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