The pound exchange rate is $1 for every 6 pounds. How many pounds would you receive if you exchanged for $3?
Since the exchange rate is $1 for every 6 pounds, you would receive 6 pounds for every $1 exchanged.
Therefore, if you exchanged for $3, you would receive:
3 * 6 = 18 pounds
You would receive 18 pounds if you exchanged for $3.