math
posted by ashton .
Given the equation 2x + 10y = 10, answer the following questions:
If x decreases by 2 units, what is the corresponding change in y?
? units

math 
JJ
Write in y = mx+b form.
10y = 2x + 10
y = 1/5 (x) + 1
If x = 5, y = 0
If x = 3, y = 3/5 + 1 or 2/5
If x decreases by 2, then y decreases by 2/5 of a unit.
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