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Answer:
15.5kg and 13.25kg
Explanation:
8x+4y=177
3x+2y=73 (changes to -----> 6x+4y=146)
subtract
2x=31
x=15.5 (large)
plug back in
3(15.5)+2y=73
46.5+2y=73
26.5=2y
13.25=y