Question
Abel and Beck builds a toy car in 9 hours.
Beck and Clayton builds a toy car in 2 hours.
Clayton and Abel builds a toy car in 10 hours.
How long does it take for Abel, Beck and Clayton to build a toy car together?
3 m

Click button first when a symbol is required. X

Abel and Beck builds a toy car in 9 hours.
Beck and Clayton builds a toy car in 2 hours.
Clayton and Abel builds a toy car in 10 hours.
How long does it take for Abel, Beck and Clayton to build a toy car together?