Question

Interpole 18 meios aritméticos entre 3 e 98

Answer 1

an=a1+(n-1).r
98=3+(20-1).r
98=3+19r
98-3=19r
95=19r
r=95/19
r= 5
(3,8,13,18,23,28,33,38,43,48,53,58,63,68,73,78,83,88,93,98)