It is not a mixed number because if you put the same number of the numerator on the denominator it would be a mixed number (1)
9- x=20 20 divided by 2 equals 10. 10+8=18
10- I would say that x=3 because 3x3=9. If you add 9 and 12 together it’s 21. 21 is less than 64.
Hope that helps!
Okay I can pick up my kids and go
Answer:
its the 4th answer
Step-by-step explanatio
i had a test with the same question, i promise its right :)