Question
Ali builds a toy car in 5 hours.
Brent builds a toy car in 20 hours.
If they work together,
how long does it take to build a toy car?
3 m

Click button first when a symbol is required. X

Ali builds a toy car in 5 hours.
Brent builds a toy car in 20 hours.
If they work together,
how long does it take to build a toy car?