Question

The expression 62.4d - 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?

Answer 1

You will receive 601.2 Indian rupees.

Explanation:

Because 62.4d-210 is the expression per dollar, and you are exchanging 13 dollars, you need to plug in 13 for d, because 13 is the number of dollars, and d represents the number of dollars.

62.4(13)-210 solve.

811.2-210

601.2 The answer is then 601.2