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Solving Real-world Problems Involving Systems of Equations. ...The Saga continues. Type 4: Percent problems. Ex: Dr. Evil has a bottle of 5% acetic acid and a bottle of 10% acetic acid. How much of each should he use to make 250 ml of 8% acetic acid?.
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Solving Real-world Problems Involving Systems of Equations ...The Saga continues
Type 4: Percent problems • Ex: Dr. Evil has a bottle of 5% acetic acid and a bottle of 10% acetic acid. How much of each should he use to make 250 ml of 8% acetic acid?
Ex: Dr. Evil has a bottle of 5% acetic acid and a bottle of 10% acetic acid. How much of each should he use to make 250 ml of 8% acetic acid? • ...continued
Type 5: Distance Speed Time • Ex. Silken Laumann, Canadian Olympic rowing medalist, took 2 hours to travel 12 km down a river. The return trip, against the current, took 3 h. What was her average paddling rate and what was the speed of the current?
Ex. Silken Laumann, Canadian Olympic rowing medalist, took 2 hours to travel 12 km down a river. The return trip, against the current, took 3 h. What was her average paddling rate and what was the speed of the current? • ...continued