Math
posted by Marie
Cezar ised nails, screws, and pegs to build a model house. He used twice as many as pegs and 3 fewer nails than screws. He used 15 nails. How many pegs did he use?

Reiny
number of screws  x
number of pegs  2x
number of nails  x3
x3=15 > x=18
so he used 36 pegs
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Cezar used nails,screw and pegs to build a kodel house . He used twice as many screws as pegs and 3 fewer nails than screws.He used 15 nails. How many pegs did he used?