Grade 8 Proportions Worksheet
This worksheet helps 8th-grade students practice solving problems involving proportions, including direct and inverse proportions, and real-world applications.
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Grade 8 Proportions Practice
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Read each question carefully and solve for the unknown value. Show your work where indicated.
1. Solve for x: \(\frac{4}{x} = \frac{12}{15}\) x =
2. Solve for y: \(\frac{y}{7} = \frac{10}{35}\) y =
3. Solve for z: \(\frac{6}{9} = \frac{z}{21}\) z =
4. If 5 apples cost $3.00, how much would 8 apples cost?
$4.00
$4.80
$5.00
$5.80
5. A recipe calls for 2 cups of flour for every 3 eggs. If you use 9 eggs, how many cups of flour do you need? Show your work.
6. In a direct proportion, as one quantity increases, the other quantity decreases.
True
False
7. A car travels 240 miles in 4 hours. At this rate, how long will it take to travel 420 miles? Show your work.