The number of pennies in a pound depends on which "pound" you mean:

If you mean British currency:

• 1 British pound (£1) = 100 pennies (pence).

If you mean weight (pound as a unit of mass):

• 1 pound (lb) = 16 ounces.
• 1 penny (coin) weighs approximately 3.56 grams.
• 1 pound = 453.592 grams.

To find how many pennies weigh one pound:

Number of pennies=453.592 grams3.56 grams per penny≈127.4\text{Number of pennies}=\frac{453.592\text{ grams}}{3.56\text{ grams per penny}}\approx 127.4Number of pennies=3.56 grams per penny453.592 grams​≈127.4

So, about 127 pennies weigh one pound. Summary:

Context| Pennies in a Pound
---|---
Currency (£1)| 100 pennies
Weight (1 lb mass)| Approximately 127 pennies

Let me know if you want details on a different type of penny or pound!