A 6-lb bag of oranges costs $5.22, and a 10-lb bag of the same type of oranges costs $7.90. Grayson found the unit price, which is the constant of proportionality between cost and weight, for each bag of oranges. What is the difference in the unit prices?

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step-by-step explanation:

here is a big fat

answer: (-8,4) are the coordinates of a

step-by-step explanation:

let the side of square abcd is x .

thus the area of square abcd is .

now, by the diagram area of triangle ead= 1/2 × ea × ad = 1/2 × ea × x

( because ad is the side of square)

and, according to the question,

the areas of square abcd and right ead are equal.

⇒

⇒ea=2x

thus, ea: ab=2: 1

therefore, point a divides line segment eb into the ratio 2: 1.

⇒ by sectional formula coordinates of a are,

=

=

=(-8, 4)

thus the coordinates of a are (-8,4)