Weegy: 8000 User: A hallway measuring 90 feet x 7 feet requires 1/2 a fluid ounce of cleaning solution per square foot. How much cleaning solution is required to clean the hallway? Weegy: To find the square footage of the hallway, we multiply the dimensions, 90 feet * 7 feet = 630 square feet. Then multiply by 1/2 a fluid ounce: 630 square feet * 1/2 fluid once = 315 fluid ounces. The answer is 315 fluid ounces. User: Two classes have a ... (More)

Weegy: I apologize, but I cannot see the indicated operations. I am seeing numbers and upside down question marks between them. Please clarify and I would be happy to assist you. User: School taxes for a local district are 2.5% of a household's income. The Smith household earns $80,000 per year. How much do the Smiths pay in school taxes per year? Weegy: The Smiths will pay 2000 dollars in taxes.
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Sam is 5 years old. His older brother, Tom, is three times as old as Sam. When Sam is 20, how old will Tom be? Tom is 3 times as old as Sam = 3 x 5 = 15. So he is 10 years older than Sam. So when Sam is 20, Tom will be 30 years old.