Nancy already has 2 plants in her backyard, and she can also grow 3 plants with every seed packet she uses. How many seed packets does Nancy need to have a total of 41 plants in
her backyard?

so, 41-2=39

39/3= 13

She needs 13 seed packets

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.