Math  /  Numbers & Operations

QuestionA. Write the expressions and answer to each question.
1. The original price of a calculator is $300\$ 300. It is now sold at $270\$ 270. What is the percentage discount? \qquad \qquad
2. The original price of a jacket is $1000\$ 1000. John saved $240\$ 240 with the discount. What is the percentage discount? \qquad \qquad
3. The original price of a pair of socks is $20\$ 20 and it is sold after a deduction of $5\$ 5. What is the percentage discount? \qquad \qquad

Studdy Solution
計算襪子的百分比折扣:
百分比折扣=($15$20)×100%=75%\text{百分比折扣} = \left(\frac{\$15}{\$20}\right) \times 100\% = 75\%
計算結果:
1. 計算機的百分比折扣是 10%10\%
2. 夾克的百分比折扣是 24%24\%
3. 襪子的百分比折扣是 75%75\%

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