Question

If = 70, a = 30, d = 5 then number of terms is ----​

Answer 1

Answer:

tn=a+(n-1) d

= 30+(70-1) 5

=95

there fore number of terms is 95

Answer 2

Answer:

9

Step-by-step explanation:

tn=a+(n-1)d

70=30+(n-1)5

70=30+5n-5

70=25+5n

70-25=5n

45=5n

45/5=n

9=n