Question

which term of an ap is93 if a=150 and d=-3​

Answer 1

Answer:

a=150

d=-3

a+(n-1) d=93

150+(n-1) -3=93

150-3n+3=93

153-93=3n

3n=60

n=20

Answer 2

Step-by-step explanation:

tn=a+(n-1)d

93=150+(n-1)-3

93-150=(n-1)-3

-57=(n-1)-3

-57/-3=n-1

19=n-1

n=19-1

n=18