The expression 62.4d-21062.4d−21062, point, 4, d, minus, 210 gives the number of indian rupees you receive when you exchange \$d$ddollar sign, d at the local currency exchange. how many indian rupees do you receive when you exchange \$13$13dollar sign, 13?

601.2 rupees You've been given the equation: r = 62.4d - 210 I will assume that 62.4 is the actual exchange rate and that the 210 is a service fee of some sort for performing the exchange. So with 13 dollars, let's substitute that value into the equation and calculate: r = 62.4d - 210 r = 62.4*13 - 210 r = 811.2 - 210 r = 601.2 So you'll get 601.2 rupees.