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Cross Multiplying to Find an Unknown PRO 1 - Math Antics

Use proportions to answer each of these word problems. You can use a calculator. PRO 3. 1 3 5 2 4 6. If 2 liters of sea water contain 70 grams of salt, how much salt is in 32 . liters of sea water? If a fuel efficient car can go 210 miles . on 4 gallons of fuel, how far can it go on 12 gallons? A factory can make 20 toasters in a