for an AP A25 - A20 =45 ,find the valve of d
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Answered by
2
Answer:
d=9
Step-by-step explanation:
- A25 - A20 = 45
- (a+24d) - (a+19d)= 45
- 5d= 45
- d=9
Hope you got the answer:)
Answered by
1
Step-by-step explanation:
A25-A20 = 45
(a+d) (a+19d)= 45
5d=45
d=9
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