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Lennie Cavan earned 576 in interest when she invested in a fund paying 9.5% simple interest for 4 years. How much did Lennie invest originally using the simple interest formula?One number is two more than another. Their sum is 8.Seven more than the product of a number and 9 is 3two consecutive numbers whose sum is 229the scale of a rectangle is 1cm:320m. the length of the rectangle is 2.5 cm and the width is 12.5 cm. what is the real life 지역 of the rectangle?