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ICSE Class 9 Answered

A worker in a factory is paid Rs.20 per hour for normal work and Rs 30 per hour for overtime work. During a weak, he worked for 40 hours, out of which x hours was overtime.If he receives Rs 880 in all, find the number of hours of his normal work during the week.
Asked by Ponrajan Himashree | 09 Aug, 2013, 07:34: PM
answered-by-expert Expert Answer
The total hours man worked = 40 hours
Overtime hours = x 
Normal work hours = 40-x hours
 
Hence, x * 30  +(40-x)*20 = 880
30x +800 - 20x = 880
10x = 80
x = 8
 
Hence, number of his normal work hours in the week = 40-8 = 32 hours
Answered by | 11 Aug, 2013, 02:39: AM

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