Dynesti answered 7 problems correct out of every 10 problems attempted. At that rate, how many problems would she answer correctly if she attempts 50 problems?
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Country carpets charges $22 per square yard for carpeting, and an additional installation fee of $100. city carpets charges $25 per square yard for the same carpeting, and an additional installation fee of $70

What is the quotient of -3/8and-1/3?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122