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<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>
Y = 20x
y • x = 180
180/x = y
180/x = 20x
180 = 20x^2
x^2 = 6
x = + or - 3
Therefore y must equal + or - 60.
The bottom one is correct.
Answer:
less mass
Step-by-step explanation:
The product has less mass because some of its mass got burned. Hope this helps!