Item C: 20 units @ $1.25. What is the total cost for Item C?

Item C: 20 units @ $1.25. What is the total cost for Item C?

• A. 25
• B. 20
• C. 30
• D. 15

Answer: (A)

You find the total cost by multiplying the quantity by the price per unit. Here, 20 units at $1.25 each means 20 × 1.25. Doing the math: 1.25 × 20 = (1.25 × 2) × 10 = 2.5 × 10 = 25. In cents, that’s 125 × 20 = 2500 cents, or $25. So the total cost is $25.

You find the total cost by multiplying the quantity by the price per unit. Here, 20 units at $1.25 each means 20 × 1.25. Doing the math: 1.25 × 20 = (1.25 × 2) × 10 = 2.5 × 10 = 25. In cents, that’s 125 × 20 = 2500 cents, or $25. So the total cost is $25.