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Questions in Grade Middle-school

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

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

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

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

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

[Answered] 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?

[Answered] What are three physical properties of aluminum foil?

[Answered] 6 divided by \(\frac{2}{3}\) equals what?

[Answered] How do plant populations in a community change over time?

[Answered] What is \(\frac{7}{5}\) as a decimal number?