Very easy question
Answer is B
Y ?
In statement I it gives only a ratio so we cannot use it to find the actual figures
Look at statement II
If one more person joins and the cost is shared equally , then they have to pay less , and the amount is given which is $15 so that actually tells you the total rent so its sufficient
Illustration
3 friend , say the amount is d so per friend ----->d/3
4 friends , amount is again d , so per friend -----> d/4
but the difference = 15
so d/3 - d/4 = 15 or d = 15*12 = $180
rent a car
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Source: Beat The GMAT — Data Sufficiency |
