Find the multiples of 7 lying between 300 and 700
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Step-by-step explanation:
Ap=301,308,315......700
a=301
d=a2-a1
=308-301
=7
an=700
n=?
an=a+(n-1)d
700=301+(n-1)7
700-301=(n-1)7
399=(n-1) 7
399/7=(n-1)
57=(n-1)
(n-1)=57
n=57+1
n=58
the multiple between 300 to 700 is 58
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