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Questions in Grade Middle-school

[Homework Help] A paper factory makes 8,423 sheets of paper in 45 minutes. How many sheets of paper does the factory make in one minute? Round to the nearest hundredth if necessary.

[Homework Help] A concert with 3 performers lasts about 8 hours. At this rate, how long would a performance last with 4 performers?

[Homework Help] A rubber ball is filmed as it bounces on a sidewalk at 25 frames per second. Predict how many seconds of film will be shown in 1,750 frames.

[Homework Help] Explain why you cannot multiply or divide by zero to find equal ratios.

[Homework Help] What is the simplest form of \(\frac{18}{39}\)?

[Homework Help] You have 270 American dollars and received 3000 pesos. When you returned from Mexico, you had 100 pesos left. How many dollars will you receive when you exchange these 100 pesos?

[Homework Help] About 42% of a paint mix is white. A painter orders 18 gallons of the paint mix. How much of it is white?

[Homework Help] What is 175 in expanded form?

[Homework Help] The second of two numbers is 8 less than twice the first number. What are the two numbers?

[Homework Help] Clyde makes a copy of an 8 in. x 10 in. photo, reducing it to 3/4 of its size. What are the dimensions of the new photo?