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Karen spent all but $8.00 of her savings in three stores. In each store, she spent $2.00 less than half of what she had when she went in. How much money did Karen have at the start?

Sue Miller had to move some supplies. She rented a Portland Rent-A-Truck in April for 5 days and drove 150 miles. She paid $180 for the rental in April. In May, she rented again for 7 days and drove 320 miles. She paid $274 for the rental in MAy. How much does...

A plane flew 1,000 miles with a tailwind in 2 hours. The return trip against the wind took 2 1/2 hours. Find the speed of the wind and the speed of the plane in still air.