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Molly is supposed to call her friend every Thursday night. Sometimes they have a lot to talk about, other times not so much. There are two phone companies she can use: TCC charges \$0.10 per minute...

Two numbers have prime factorizations of 22 • 3 • 5 and 2 • 32• 5. Which expressions will give the greatest common factor and the least common multiple?

druggist mixed 90 cc (cubic centimeters) of a 20% alcohol solution with 50 cc of pure alcohol. Find the percent concentration of the resulting mixture. Round to the nearest tenth of a percent...

The actual Mount Rushmore carving was made from a scale with a scale of 1 in = 1 ft. On the model, Teddy Roosevelt's moustache was 1ft and 8in long

a student walks 1/4 mile from her home to the store on her way to a friends house. If the store is 1/3 of the way to her friends house, how far is her friends house from her home?  ...

A reccipe requires 4 bottles of ketchup to make 2 gallons of sauce.  How many bottles of ketchup are needed to make 1 gallons of sauce?   Need the answer as a proportional...