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The expression 
62.4 d-210 gives the number of Indian rupees you receive when you exchange 
$d at the local currency exchange.
How many Indian rupees do you receive when you exchange 
$13 ?
Indian Rupees

The expression 62.4d210 62.4 d-210 gives the number of Indian rupees you receive when you exchange $d \$ d at the local currency exchange.\newlineHow many Indian rupees do you receive when you exchange $13 \$ 13 ?\newlineIndian Rupees

Full solution

Q. The expression 62.4d210 62.4 d-210 gives the number of Indian rupees you receive when you exchange $d \$ d at the local currency exchange.\newlineHow many Indian rupees do you receive when you exchange $13 \$ 13 ?\newlineIndian Rupees
  1. Identify Given Expression: Identify the given expression and the amount of dollars to be exchanged.\newlineThe expression given is 62.4d21062.4d - 210, where dd represents the number of dollars.\newlineWe need to find out how many Indian rupees we receive for $13$\$13\$.
  2. Substitute Value of $13\$13: Substitute the value of $13\$13 into the expression for dd. The expression becomes 62.4×1321062.4 \times 13 - 210.
  3. Perform Multiplication: Perform the multiplication part of the expression first, according to the order of operations (PEMDAS/BODMAS). 62.4×13=811.262.4 \times 13 = 811.2
  4. Subtract from Result: Now, subtract 210210 from the result of the multiplication.\newline811.2210=601.2811.2 - 210 = 601.2
  5. Calculate Indian Rupees: The result gives us the number of Indian rupees received for exchanging $13\$13. So, you receive 601.2601.2 Indian rupees.

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