Asked by Isra
Asum of money is shared among nine people on that the first gets $75 the next $150and the next $225 .
A)how much money does the ninth person get
B)how much money is shared altogether
A)how much money does the ninth person get
B)how much money is shared altogether
Answers
Answered by
oobleck
assuming a constant difference for all, you have an AP with
a = 75
d = 75
(a) a_9 = 75 + 8*75 = ____
(b) S9 = 9/2 (2*75 + 8*75) = _____
a = 75
d = 75
(a) a_9 = 75 + 8*75 = ____
(b) S9 = 9/2 (2*75 + 8*75) = _____
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