Answer:
a=14
Step-by-step explanation:
cross multiply using the butterfly method
7a=98
then divide by 7
16 * 20 + .5 * 20 * 8 = 320 + 80 = 400
1>>g
2>>e
3>>h
4>>f
5>>b
6>j
7>>k
8>>c
9>>I
10>>d
11>>a
;)
In terms of pi means to include pi in your answer. In other words, don't use 3.14 or 22/7 for pi.
