Answer:
17.5
subtract 21 and 14 getting 7
7 divided by 2 is 3.5
14+3.5=17.5
Answer: 30
Step-by-step explanation:
21+39/2
=30
the answer is equal because 8/12=2/3 so 2/3=8/12 (2/3)
Answer:13.8
Just add 6.3 4 and 3.5