Answer :
Answer:
4
Step-by-step explanation:
11s+9t=116
5s+9t=92
Minus bottom equation from the top
6s+0=24
divide 6 on both sides
s=4
Answer:
4
Step-by-step explanation:
11s+9t=116
5s+9t=92
Minus bottom equation from the top
6s+0=24
divide 6 on both sides
s=4