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Homework answers / question archive / Naseej company owns a number of sewing machines and each machine needs maintenance every 6 months at a cost of 9 riyals, and during this period 7 major faults occur that are repaired at a cost of 120 riyals per break
Naseej company owns a number of sewing machines and each machine needs maintenance every 6 months at a cost of 9 riyals, and during this period 7 major faults occur that are repaired at a cost of 120 riyals per break. If you know that the maintenance and repair costs in this company within one year are 5280 riyals, calculate the number of machines Owned by the company.
1.Computation of the total cost for general repairs per year
| Particulars | Amount (Riyal) |
| Total Cost Riyals | 5,280 |
| Less: Cost for Major faults(120 Riyal * 7 Faults*2) | 1,680 |
| General Cost | 3,600 |
Computation of general breaks per annum =General Cost ÷Cost per break
=3,600÷9 = 400 Breaks
Computation of number of machines owned by the company = Total Breaks ÷ Number of repairs required per machine per annum
= 400 Breaks ÷ (1*2 times per annum)
= 400 Breaks ÷ (2)
= 200 machines
