Kyle started the week with $50 in his lunch account. He bought lunch everyday at school, he spent $5 dollars each day. Let x represent the number of days and y represent the remaining amount of money he will have after x days. Which equation represents the relationship in this situation?

its kind of blurry. can you put a clearer pic?

step-by-step explanation:

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step-by-step

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,

i agree because i see the other persons thinking is clear