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1.On a recent trip, cindy drove her car 290 miles, rounded to the nearest 10 miles, and used 12 gallon of gasoline, rounded to the nearest gallon. The actual number of miles per gallon that cindy's car go on this trip must have been between
2.At a loading dock,, each worker on the night crew loaded 3/4 as many boxes as each worker on the day crew. If the night crew has 4/5 as many workers as day crew, what fraction of all the boxes loaded by two crews did the day crew load?
3.If the product of the integers w, x, Y. and z is 770 and If 1 < w< x < y < z, what Is the value of w+z |