In a particular week, a man works for 48 hours and earns Rs4,320. But in the next week he worked 6 hours less, how much has he earned in this week?
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Solution
Step : Find the amount earned this week
Given : Amount earned by a man for working 48 hours in a week =Rs4320
Work done by him for 6 hours less than last week =48–6 =42 hours
As money earned in 48 hours =Rs4320 ⇒ Money earned in 1 hour =432048 ∴ Money earned in 42 hours =42×432048 =42×(90×48)48 =3780 ∴ Money earned in 42 hours =Rs3780
Hence, a man earned Rs3780 this week.