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South Africa is a country where water shortages occur frequently - NSC Agricultural Technology - Question 6 - 2017 - Paper 1
Question 6
South Africa is a country where water shortages occur frequently. Farmers must use more efficient irrigation systems to conserve water. A farmer wants to water one ... show full transcript
Worked Solution & Example Answer:South Africa is a country where water shortages occur frequently - NSC Agricultural Technology - Question 6 - 2017 - Paper 1
Step 1
Calculate the length and cost of the pipes you will need for the field.
Answer
To find the total length of the pipes needed, we first calculate the number of 100 m pipes required for the field. Given that the field is 100 m x 100 m, the total length is calculated as follows:
- The number of pipes required is:
- Since we have 13 pipes, the total length of the pipes needed is:
- Now, we calculate the cost of the pipes:
Step 2
Calculate the total cost of the T-joints and elbows that you will need if there are 19 T-joints at R8,00 per T-joint and 4 elbows at R6,50 per elbow.
Answer
To find the total cost of the T-joints and elbows:
-
Calculate the cost of the T-joints:
- Number of T-joints = 19, Price per T-joint = R8.00.
- Total cost for T-joints:
-
Calculate the cost of the elbows:
- Number of elbows = 4, Price per elbow = R6.50.
- Total cost for elbows:
-
Combine both costs:
- Total cost = Total cost of T-joints + Total cost of elbows: