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hope this helps you......
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an = a+(n-1)d
first zero term means an=0
0= 114+(n-1)(-5)
114-5n+5<0
119-5n<0
-5n< -119
n< 23.8
hence n cannot be negative so the answer is 24
first zero term means an=0
0= 114+(n-1)(-5)
114-5n+5<0
119-5n<0
-5n< -119
n< 23.8
hence n cannot be negative so the answer is 24
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