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four more than a numberthe larger of two numbers is 1 more than twice the smaller. The sum of the two numbers is 82.The bán kính of a circle is 8 ft. Find its area in terms of pipi.Two trains are moving toward each other. One train moves at a speed of 50 mph, and the other train travels at 70 mph. How soon will they meet if the original khoảng cách between them was 390 miles?Find four consecutive even integers such that if the sum of the first and the third is multiplied by 3, the result is 28 less than 5 times the fourth.