give soln with steps
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Step-by-step explanation:
Q of A.P.....=___=
a = t1 = 5
t2 = 7
d = 2
August has 30
Sn = n/2 [2a +(n-1)d]
= 30/2 [10 + 58]
= 30/2 [68]
= 30 × 34
= 1020
So his total savings will be 1020 Rs
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