Answer :
Answer:n=10, 5n=50
Step-by-step explanation:
an=50
n=50/a
n=50/5=10
5n=5×10=50
Answer:
Step-by-step explanation:
an = 50
a +(n-1)d = 50
5 + (n-1)*3 = 50
(n-1)*3 = 50 - 5 = 45
n-1 = 45/3
n-1 = 15
n=15+1 = 16
n = 16
Answer:n=10, 5n=50
Step-by-step explanation:
an=50
n=50/a
n=50/5=10
5n=5×10=50
Answer:
Step-by-step explanation:
an = 50
a +(n-1)d = 50
5 + (n-1)*3 = 50
(n-1)*3 = 50 - 5 = 45
n-1 = 45/3
n-1 = 15
n=15+1 = 16
n = 16