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absar hashmi

· started a discussion

· 1 Months ago

150x - 1800 = 100x - 1500 (Question: 277533.0 )

150x - 1800 = 100x - 1500

Question:

A supply of water lasts for 20days if 20 gallons leak off every day, but only for 15 days if 60 gallons leak off daily. What is the total quantity of water in the supply.

Options:
A)

2400

B)

1125

C)

3350

D)

1250

Solution:

Ans: (a)Let consuption is x gallon per day


(20x + 400)=  (15x + 900)

 x = 100

Quantity of water = (20x + 400) = 2400

Knowledge Expert

· commented

· 1 Months ago

Dear student,
This approach can also be used to solve the question, given method is a general approach for all such problems. It is good to have both the approaches.

Thanks and regards
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