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$?
$square$ indian rupees

Explanation:

Step1: Substitute \( d = 13 \) into the expression

We have the expression \( 62.4d - 210 \). Substitute \( d = 13 \) into it: \( 62.4\times13 - 210 \)

Step2: Calculate \( 62.4\times13 \)

\( 62.4\times13 = 811.2 \)

Step3: Subtract 210 from the result

\( 811.2 - 210 = 601.2 \)

Answer:

601.2