screws to the number of nuts to the number of bolts is 2:3:7. The
There are screws, nuts and bolts in a tool box. The ratio of the number of
difference between the number of nuts and the number of bolts is 112.
Find the number of each item.
[tex]7x - 3x = 112 \\ 4x = 112 \\ x = 28 \\ \\ screws = 2x = 2(28) = 56 \\ nuts = 3x = 3(28) = 84 \\ bolts = 7x = 7(28) = 196[/tex]
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