Please help. Khan sucks!

Answer:
10
Step-by-step explanation:
Because it is equal to each other. you have to find out what makes 3 equal to 15 which would be 5 because 3*5=15
Since you used five on the bottom one then you have to do the same for the top. Which would be 2*5=10 so then you get your answer
Hope this helps!
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