Question

The expression 6.4d - 2 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 $10?

Answer 1

62 Indian ruppes

Explanation:

We were told in the question that:

The expression 6.4d - 2 gives the number of Indian rupees you receive when you exchange $d at the local currency exchange.

The amount of Indian rupees you receive when you exchange $10 is calculated as:

6.4d - 2

d = $10

Hence:

Amount of Indian rupees = (6.4 × 10) - 2

= 64 - 2

= 62 Indian ruppes