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a math textbook at a collage bookstore sells for $78.00. at then end of the semester the bookstore will but the textbook back from the student for $46.80. what is the percent of decrease in the price of the textbook?

31.2%

Step-by-step explanation:

78.00 - 46.80

31.2 = 31.2%

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.

x=half

step-by-step explanation: