Windless Surfing Company's marketing manager observes that if the price of designer windsocks is $40, then on average 70 windsocks are sold per month. Experience has shown that if the price is raised from $40, then for every $1 increase in price, two fewer windsocks are sold each month.

Question

Mathematics

Irvin Kidd

27 March, 04:56

Windless Surfing Company's marketing manager observes that if the price of designer windsocks is $40, then on average 70 windsocks are sold per month. Experience has shown that if the price is raised from $40, then for every $1 increase in price, two fewer windsocks are sold each month.

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Answers (1)

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Arrow · Answer 1

The answer is x ≤ 50.

Step-by-step explanation:

As, A - 70 = - 2 (P - 40)

A = - 2P + 80 + 70

A = - 2P + 150

Y = - 2x + 150.

When y = 0,

Putting in the values

-2x = - 150

x = 75.

-2x + 150 ≥ 50

-2x ≥ - 100

x ≤ 50.