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Question: 6 the perimeter of a certain rectangle is 16 times...

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6. The perimeter of a certain rectangle is 16 times the width. The length is 12 cm more than the width Find the length and width of the rectangle. (write formula and equation) Length - Width 7. An amount of money is invested at 4% annual simple interest, and twice that amount is invested at 5%. The total annual interest is $112. How much is invested at each rate? (write formula and equation) Invested at 4% Invested at 5% 6%. 8, John invested some money at 5% simple interest and S2000 more than that amount at equation ) His total annual interest was $670. How much did he invest at each rate? (write formula and Invested at 5% invested at 6%
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