Question

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The expenses on rice,fish and oil of a family are in ratio 12:17:3. The prices of the these articles are increased by 20%,30% and 50% respectively. The total expenses of the family on these articles are increased by_.


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Answer 1

Answer:

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12x + 17x + 3x = 20+30+50

or, 32x = 100

or, x = 100/32 = 3.125

The total expenses of the family on these articles are increased by 3.125.

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Answer 2

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12x + 17x + 3x = 20+30+50

or, 32x = 100

or, x = 100/32 = 3.125

The total expenses of the family on these articles are increased by 3.125.

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