Question

help this one is trickyyyyyy​

Answer 1

Answer:

1)5+a/5+2/5=11/5

5+a+2/5=11/5

7+a/5=11/5

7+a=11

a=4

2)16+c/8+15/8=9/2

16+15+c/8=9/2

31+c/8=9/2

31+c=9/2×8

31+c=9×4

31+c=36

c=5