Answer:
52 canvases with 10 staples left.
Explanation:
1258/24=52.4166666667
He can make 52 canvases.
Now lets see how many stapes he'll have remaining.
52*24=1248
This means that he'll use 1248 staples.
Now we can find the remainder.
1258-1248=10
He'll have 10 staples left.