The relationship is c=3/7t
Step-by-step explanation:
The rate of harvesting can be calculated as;
35minutes=15 cassavas
1minute=?
15/35=3/7
For a given time t the total number of cassava harvested(c) will be ;
c=3/7t where c is the total number of cassava harvested and t is the time need to harvest.
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It can help you cause when you estimate your going back and putting the right number
A positive value means the line is rising towards the right , a negative the line is downwards to the right.
The higher the absolute value of the slope the steeper the line.
We start with
Assuming that 
we can cross multiply the equation:
You can recognize the perfect square pattern in the quadratic equation:
So, we have
Which is the only solution, with multiplicity 2.
This is the concept of trigonometry;
Using the Pythagorean theorem, the elevation of the starting point will be given by:
c^2=a^2+b^2
c^2=7^2-3^2
c^2=49-9
c^2=40
thus;
c=6.325 km
therefore the starting point of the camp was:
6.325-0.6
=5.725 km
The answer is 5.725
