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Explanation
A, B, C hired a car for Rs. 520.
A used this car for 7 hours.
B used it car for 8 hours.
And C used it for 11 hours.
Ratio is given; A : B : C = 7 : 8 : 11
Now; hire charges paid by B would be determined by:
Hire charges paid by B = (time of B x total rent) / total ratio
To Find
Hire charges paid by B = ?
Solution
A : B : C = 7 : 8 : 11 (and 7 + 8 + 11 = 26)
Total rent = 520
Hire charges paid by B = (8 x 520)/26
Hire charges paid by B = Rs. 160 answer
Conclusion
A, B, C hired a car for Rs. 520 and used it for 7, 8 and 11 hours respectively. Hire charges paid by B are Rs. 160.
