calculate the sum of multiplies of 3 between 50and 250
Answers
Answered by
1
Answer:
10,050
Step-by-step explanation:
Multiples of 3 between 50 and 250
51,54,57............249
an=a+(n-1)d
a=51 d=3 an=249
249=51+(n-1)3
249-51=(n-1)d3
198/3=n-1
66=n-1
n=67
sum= n/2(2a+(n-1)d)
sn=67/2(2*51+(67-1)3)
= 67/2(102+198)
= 67/2*300
=10,050
HOPE IT HELPS YOU!!!
Answered by
0
Answer:
10,050
Hope it helps you
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