Kim purchases pet insurance for her cat. in 2011 , she paid $40 per month. she switched to discount insurance she bought online for $34 dollars a month. what was the percent discount?

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step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,