SOUTH SIOUX CITY, Neb. (KTIV) - Middle school students showed off their math skills during the “MathCounts” competition at the College Center in South Sioux City. The competition had three parts: ...
ST. CROIX — If a group of middle-schoolers solved 30 problems in 40 minutes, eight problems in 24 minutes and 10 problems in 20 minutes, what is the average number of problems solved per hour? Word ...
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