An employer gives Rs. 26 per day to an employee on duty and deducts Rs. 7 per day for his absence from the duty. If after 56 days, the employee receives 829, for how many days was the employee absent ?
Let the number of days in which employee was absent = $$x$$
=> Days in which he was present = $$(56 - x)$$
Acc. to ques,
=> $$(56 - x) \times 26 - 7x = 829$$
=> $$1456 - 26x - 7x = 829$$
=> $$33x = 1456 - 289 = 627$$
=> $$x = \frac{627}{33} = 19$$
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