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The monthly electricity bill raised by themunicipal corporation consists of two parts-a fixed charge for providing the service and a variable charge which is directly proportional to the number of watts of powerconsumed. An amount of Rs. 500 is charged for consuming 125 watts in a particular month . The of 500 watts is 21 : 25 . How much is the fixedcharge per month? |
Answer» Rs. 125 (ii) Given data can be expressed asx + 100y. ` = 300.(x+300y)/(x +400y) = 5/6`. (iii) SOLVE the above TWO EQUATIONS and GET the value of x. |
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