What is Percent Applications?

Solve real-world problems involving discounts, tax, tips, and percent change

How can I study Percent Applications effectively?

Start by reading the study notes and working through the examples on this page. Then use the flashcards to test your recall. Practice with the 6 problems provided, checking solutions as you go. Regular review and active practice are key to retention.

Is this Percent Applications study guide free?

Yes — all study notes, flashcards, and practice problems for Percent Applications on Study Mondo are free to access. No account is needed.

What course covers Percent Applications?

Percent Applications is part of the Grade 7 Math course on Study Mondo, specifically in the Proportions and Percents section. You can explore the full course for more related topics and practice resources.

Are there practice problems for Percent Applications?

Yes, this page includes 6 practice problems with detailed solutions. Each problem includes a step-by-step explanation to help you understand the approach.

Percent Applications

Finding a Percent of a Number

❓ Question:

A shirt costs $\$ 25$. It is on sale for 30% off. What is the sale price?

Solution:

Method 1 - Find discount: $\text{Discount} = 0.30 \times 25 = \$7.50$ $\text{Sale price} = 25 - 7.50 = \$17.50$

Method 2 - Multiply by remaining percent: $25 \times (1 - 0.30) = 25 \times 0.70 = \$17.50$

Answer: $\$ 17.50$

❓ Question:

A shirt costs $\$ 25$. It is on sale for 30% off. What is the sale price?

Solution:

Method 1 - Find discount: $\text{Discount} = 0.30 \times 25 = \$7.50$

❓ Question:

A population increased from 15,000 to 18,000. What is the percent increase?

Solution:

Use percent change formula: $\text{Percent Change} = \frac{18000 - 15000}{15000} \times 100\%$

❓ Question:

A population increased from 15,000 to 18,000. What is the percent increase?

Solution:

Use percent change formula: $\text{Percent Change} = \frac{18000 - 15000}{15000} \times 100\%$

❓ Question:

A meal costs $\$ 45$. You want to leave a 18% tip and there is 7% sales tax. What is the total amount you pay?

Solution:

Step 1: Add tax to the meal $45 \times 1.07 = \$48.15$

Step 2: Calculate tip (on original meal)

❓ Question:

A meal costs $\$ 45$. You want to leave a 18% tip and there is 7% sales tax. What is the total amount you pay?

Solution:

Step 1: Add tax to the meal $45 \times 1.07 = \$48.15$

Step 2: Calculate tip (on original meal)

Percent Applications

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Percent Applications

Finding a Percent of a Number

Percent Change

Common Applications

Discount

Tax

Tip

📚 Practice Problems

1Problem 1easy

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2Problem 2easy

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3Problem 3medium

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4Problem 4medium

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5Problem 5hard

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6Problem 6hard

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Practice Lab

Practice with Flashcards

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📌 Related Topics in Proportions and Percents

❓ Frequently Asked Questions