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Questions in Grade Middle-school

📝 Answered - Jacob is twice as old as Sue. The sum of their ages is 69 years. How old is Jacob?

📝 Answered - The surface area of a right triangular prism is 228 square inches. The base is a right triangle with a height of 6 inches and a base length of 8 inches. The length of the third side of the base is 10 inches. Find the height of the prism.

📝 Answered - What did Frederick Mueller receive for his birthday?

📝 Answered - What did Frederick Mueller want to be when he grew up?

📝 Answered - a) A pint is what fraction of a quart? b) What fraction of a gallon is a quart? c) What fraction of a gallon is a pint? d) The answers to parts a-c show that one half of one fourth equals what fraction?

📝 Answered - Simplify the expression: \[ 5a + 2a(5 - b) \] Please, I need help.

📝 Answered - Anita and Terry ride the subway on Sundays to visit their grandparents. There are two entrances to the subway from the street: north and south. Inside each entrance is an escalator, elevator, and stairway leading to the first level. On the first level, there are eight gates. At each end of the first level (north and south), there is an escalator, elevator, and stairway leading directly to the trains. How many different ways can Anita and Terry go from street level to the trains?

📝 Answered - About \(\frac{6}{8}\) of the Earth's surface is covered by water. About what fraction of the Earth's surface is not covered by water?

📝 Answered - Simplify the expression: \[ 8 - 3(6 - 6a) \]

📝 Answered - A dime is tossed and then a quarter is tossed. One possible outcome is dime: heads, quarter: tails. What are the three other outcomes? 1. Dime: heads, quarter: heads 2. Dime: tails, quarter: heads 3. Dime: tails, quarter: tails