Xiao was mistake because 3(20+30) still can divide by 10. The sum is 30(2+3)
18 patients
25 min = 0.4166 hours
7.5 hours / 0.4166 = 18
I believe it's one of the four in photo.
Answer:
Step-by-step explanation:
The description is too ambiguous to reconstruct the diagram. You need to post the actual diagram.
That diagram is just one way to view division by a fraction. An easier way: DIVIDING by a fraction is the same as MULTIPLYING by the upside-down fraction. For example,
(1/2) ÷ (1/4) = (1/2) × (4/1) = 2
That doesn’t help you answer this particular question, though.