Step-by-step explanation:

Answer:
60
Step-by-step explanation:
You have five exterior choices, then you multiply that by the six interior choices, then multiply the two model choices.
There are 300 seconds in 5 minutes
Answer: 18
<u>Do Keep Change Flip (KCF)</u>
Keep: 9/2
Change: ÷ into ×
Flip: 1/4 into 4/1
Your new problem should be 9/2×4/1
<u>Multiply</u>
9/2×4/1=36/2
36/2=18
Final Answer: 18