Answer:
19 is 20% of 95.
Step-by-step explanation:
Answer:

<em>Sure hope this helps you :D</em>
#sol1
a1=1×4-1=3
a2=2×4-1=7
a3=3×4-1=11
a4=4×4-1=15
a5=5×5-1=19
#sol2
f(1)=1×4-1=3,
f(n+1)=f(n)+4,
so .... you know.
Answer:

<h3>28 is the right answer.</h3>