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Questions in Grade Middle-school

[Free] What is 17% as a fraction in simplest form?

[Free] Ms. Groves had trays of paint. Each tray has five colors. One of the colors is purple. What fraction of the colors in 20 trays is purple?

[Free] Solve for x. 8x + 15 = 3x - 20

[Free] What is the historical significance of a republic?

[Free] Solve the system of equations: \[ X = 5y \] \[ y = 10x + 20 \]

[Free] How do you find the greatest common factor of 45 and 81?

[Free] What is \(0.3 \times 0.6\)?

[Free] Convert 116% to a fraction or mixed number.

[Free] How is the coastline of New Jersey different from the coastline of Maine?

[Free] A grade has 81 girls and 72 boys. The grade is split into groups that have the same ratio of boys to girls as the whole grade. How many girls are in a group that has 16 boys?