Question

Alacey bought a notebook for 20 dollars. If there are 100 students in Grade 8, find the amount needed to buy such a notebook for each student?

• A. 2,000 dollars
• B. 200 dollars
• C. 20 dollars
• D. 20,000 dollars

Answer 1

The correct option is A 2,000 dollars

Price of a notebook = 20 dollars

Price of 100 notebooks = 100 $\times$ 20

To mulitply a number by 100, we have to add two zeros to the right of the number.

$⟹$ 20 $\times$ 100 = 2,000 dollars

Hence, price of 100 notebooks = 2,000 dollars