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BrainlyHulk:
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(4)ratio of nails and screw is 4:7
so,
nails=4x and screw=7x
now,
total nails is 20.
so,
4x=20 then x=5.
so here, screw=7(5)=35.
(6) (i) 7:8 or 2:3
sorry dear other question's answer I don't know
so,
nails=4x and screw=7x
now,
total nails is 20.
so,
4x=20 then x=5.
so here, screw=7(5)=35.
(6) (i) 7:8 or 2:3
sorry dear other question's answer I don't know
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