A company that produces widgets has found its demand function to be q = –1,500p + 90,000. a. For each dollar increase in the wholesale price, how many fewer widgets are demanded? b. How many widgets would be demanded at a price of $20? c. How many widgets would be demanded at a price of $21? d. What is the difference in quantity demanded caused by the $1 increase in wholesale price? e. The company sets a price of $22.50. How many widgets will be demanded? f. How much will all of the widgets cost the store to purchase at a price of $22.50? g. If the store marks up the widgets that cost $22.50 at a rate of 50%, what is the retail price of each widget?

3.how is solving radical equations different than solving linear equations?

step-by-step explanation:

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part a: triangles gcb and epb

part b. sides cg and rp are parallel by definition of parallelogram.

angles cgb and e are congruent by being alternate interior angles of parallel lines cut by a transversal. angles gbc and ebp are congruent because they are vertical angles. by aa similarity, the triangles are similar.

part c. since the triangles are similar, the ratios of the lengths of corresponding sides are equal.

calculation of be:

gb/be = cb/bp

(400 ft)/be = 300/200

(400 ft)/be = 3/2

3be = 2 * 400 ft

3be = 800 ft

be = 800/3 ft

calculation of pe:

gc/pe = cb/bp

(350 ft)/pe = 300/200

(350 ft)/pe = 3/2

3pe = 2 * 350 ft

3pe = 700 ft

pe = 700/3 ft