A mobile operator charges ₹ 0.15 per minute for local calls and ₹0.23 per minute for long distance calls. Which expression gives the total cost in rupees for " $x$ " minutes of local calls and " $y$ " minutes of long distance calls?

₹

(0.15 x + 0.23 y)

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₹

(0.15 x - 0.23 y)

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₹

0 .38 (x + y)

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₹

0 .28 x y

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Solution

The correct option is A ₹ $(0.15 x + 0.23 y)$
Given, the charges for local and long distance calls are ₹0.15 per minute and ₹0.23 per minute respectively.

Total minutes of local call = $x$
Total minutes of long distance call = $y$

$∴$ The required algebraic expression is ₹ $(0.15 x + 0.23 y)$

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A mobile operator charges ₹ 0.15 per minute for local calls and ₹0.23 per minute for long distance calls. Which expression gives the total cost in rupees for "x" minutes of local calls and "y" minutes of long distance calls?

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