Question

In an A.P. If a= 200 and d = 50 to find en complete the
following activity.
tn=a + (?)d
1000=(?)+ (n-1) 50
1000 = 200 + 50 n-50
50n=? n=?​

Answer 1

Answer:

tn=a+(n-1)d

1000=a+(n-1) 50

1000=200+50n-50

1000=50+50n

50n=1000-150

50n=950

n=950/50

n=19