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Questions in Grade Middle-school

[Answered] 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.

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

[Answered] 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.

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

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

[Answered] 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?

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

[Answered] What is 175 in expanded form?

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

[Answered] 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?