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CBSE Class 10 Answered

A party of tourists booked a room in a hotel for ₹1200.Three of the members failed to pay,as a results others had to pay₹20 more(each).How many tourists were there in the party?
Asked by mahimakumari9777 | 31 Jul, 2020, 06:58: PM
Expert Answer
Let space the space initial space number space of space tourists space be space straight x
cost space per space tourist equals 1200 over straight x
3 space members space opt space out
hence space cost space per space tourist equals fraction numerator 1200 over denominator straight x minus 3 end fraction
difference space equals 20
fraction numerator 1200 over denominator straight x minus 3 end fraction minus 1200 over straight x equals 20
1200 straight x minus 1200 straight x plus 3600 equals 20 straight x squared minus 60 straight x
20 straight x squared minus 60 straight x minus 3600 equals 0
straight x equals 15 space or space minus 12
15 space tourists
Answered by Arun | 03 Aug, 2020, 09:15: AM

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