a certain sum of money is sufficient to pay either george's wages for 15 days or mark's wages for 10 days. for how long will it suffice if both george and mark work together?
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Answered by
4
6 days. 1/15 +1/10 =1/6. So in 6 days money will be over.
Answered by
15
The money can pay George's wage for 15 days
⇒ 1 day = 1/15 of the money
The money can pay Mark's wage 10 for days
⇒ 1 day = 1/10 of the money
Find Amount of money needed if both of them worked together:
1 day = 1/15 + 1/10 = 1/6 of the money
Number of days the money can last:
1/6 of the money = 1 day
6/6 of the money = 1 x 6 = 6 days
Answer: The money can last for 6 days
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