Answer:
The difference between their two weights is 86 lbs
x•2-8=180 (x= sister weight)
180+8=188
188÷2= 94 (x=94)
189-94= 86
86 is the difference
Explanation:
180 + 8 = 188
188 / 2 = 94
188 - 94 = 86
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