Answer:
The worker uses exactly 140 screws and 80 bolts to make 20 metal desks.
The worker uses exactly 140 screws and 80 bolts to make 20 metal desks.
The worker uses exactly 80 screws and 140 bolts to make
2 metal desks.
The worker uses exactly 80 screws and 140 bolts to make 20 metal desks.
The worker uses exactly 17screws and 14bolts to make 10
metal desks.
The worker uses exactly 17 screws and 14 bolts to make 10 metal desks.
The worker uses exactly 14 screws and 17 bolts to make 10 metal desks.
Explanation:
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