Yes. 4/1 is the same as 4.
Any number divided by 1 is itself. So 4/1 = 4
Answer:
She can finish 4 puzzles.
Step-by-step explanation:
3/4+3/4=1 1/2
1 1/2+ 1 1/2= 3(hours)
That means that there are four 3/4s and that also means she does 4 puzzles in 3 hours.
Hope this helps!^_^