Steak cost 3.85 per pound if you buy a 3 pound steak and pay for it with a 20 bill how much change will you get ?
The Correct Answer and Explanation is:
You’re buying a 3-pound steak at $3.85 per pound. That means the total cost will be:
3×3.85=11.553 \times 3.85 = 11.55
You’re paying with a $20 bill, so the change you’ll receive is:
20−11.55=8.4520 – 11.55 = 8.45
So, you will get $8.45 in change.
Explanation
Money calculations like this might seem straightforward, but understanding the logic behind them ensures accuracy in purchases and budgeting. When buying products sold by weight, you first determine the total cost based on the price per unit (pound, kilogram, etc.). Here, steak costs $3.85 per pound. Since you’re buying three pounds, multiplying the cost per pound by the quantity gives the total amount due: $11.55.
Once you know the total price, subtracting it from the amount paid determines the change. In this case, a $20 bill minus $11.55 leaves you with $8.45 in change.
This kind of calculation is commonly used in everyday shopping—whether you’re buying groceries, fuel, or bulk items. Having a solid grasp of these basic math principles can help you avoid mistakes, spot errors in transactions, and manage money wisely.
Additionally, understanding unit pricing (price per pound, kilogram, or liter) can help compare deals efficiently. For instance, if another store sells steak at $3.75 per pound, a quick calculation reveals that you’d save $0.30 on a three-pound purchase—small savings that add up over time.
