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ASU
MAT 142 -
Percent Change and Dimensional Analysis
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Slide 1Slide 2Slide 3Slide 4Percent ChangeandDimensional AnalysisBy switching service providers, a family’s telephone bill dropped by 12% from last month to this month. This month’s bill was $44. What was last month’s bill?For each kilogram of a person’s weight, 2.5 milligrams of a drug is to given. What dosage should be given to a child who weighs 90 pounds? (Use 1 lb ≈ 0.45 kg.)Michelle is buying carpet for her family room, which is 10 yards by 6 yards. The carpeting is sold in square meters. How many square meters of carpeting will she need? (Use 1 yd ≈ 0.9144
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