The perimeter P of a rectangle is P=2l+2w, where l and w are the rectangle’s length and width, respectively. Solve the formula for l, the length. Justify each step in your solution.

plants store their excess carbohydrate in the form of starch so that it could be used as energy source later on. the excess carbohydrate is converted into starch in the plastid i.e. chloroplast & this process occurs in the presence of sunlight. it is an insoluble polymer of glucose which gets stored in cell organelles named as amyloplasts. in some plants, starch is also stored in roots and embryos.

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i use my brain for prombles like this maybe you could try it

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