Acoffee mixture has beans that sell for $0.72 a pound and beans that sell for $0.52. if 110 pounds of beans create a mixture worth $0.74 a pound, how much of each bean is used? model the scenario then solve it. then, in two or more sentences explain whether your solution is or is not reasonable.

x: number of pounds of beans that sell for $0.72 used

y: number of pounds of beans that sell for $0.52 used

x + y = 110

x = 110 - y

0.72x + 0.52y = 81.4

0.72(110 - y) + 0.52y = 81.4

79.2 - 0.72y + 0.52y = 81.4

79.2 - 0.2y = 81.4

-79.2             -79.2

0.2y = 2.2

/0.2     /0.2

y = 11

x = 110 - y

x = 110 - 11

x = 99

This solution is reasonable because if you combine 99 pounds of beans that sell for $0.72 with 11 pounds of beans that sell for $0.52, then it will equal 110 pounds. It will also be able to be sold at $0.74 a pound.

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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.

answer: r there any options?

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