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Category > Accounting Posted 18 Jun 2017 My Price 3.00

Banking Gloria Castaneda has $650 in her checking account

Banking Gloria Castaneda has $650 in her checking account. She is closing out the account by writing one check for cash against it each week. The first check is for $20, the second is for $25, and so on. Each check exceeds the previous one by $5. In how many weeks will the balance in Ms. Castaneda account be $0 if there is no service charge?

 

 

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Alpha Geek
(8)
Status NEW Posted 18 Jun 2017 09:06 AM My Price 3.00

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file 1497777552-2073112_1_636333114007616406_Arithmetic-Progression.docx preview (55 words )
G-----------lor-----------ia -----------Cas-----------tan-----------eda----------- ha-----------s $-----------650----------- in----------- he-----------r c-----------hec-----------kin-----------g a-----------cco-----------unt-----------. -----------The----------- fi-----------rst----------- ch-----------eck----------- is----------- fo-----------r $-----------20.----------- T-----------he -----------sec-----------ond----------- ch-----------eck----------- is----------- fo-----------r $-----------25.----------- I-----------t f-----------oll-----------ows----------- an----------- ar-----------ith-----------met-----------ic -----------pro-----------gre-----------ssi-----------on -----------wit-----------h i-----------nit-----------ial----------- te-----------rm -----------a=$-----------20 -----------and----------- co-----------mmo-----------n d-----------iff-----------ere-----------nce----------- d=-----------$5.----------- L-----------et -----------the----------- nu-----------mbe-----------r o-----------f w-----------eek-----------s b-----------e n-----------. -----------The----------- su-----------m u-----------pto----------- n -----------ter-----------ms -----------in -----------an -----------ari-----------thm-----------eti-----------c p-----------rog-----------res-----------sio-----------n i-----------s S-----------n=(-----------n/2-----------)[2-----------a+(-----------n-1-----------)d]----------- P-----------lug-----------gin-----------g i-----------n t-----------he -----------val-----------ues----------- we----------- ha-----------ve ----------- 65-----------0=(-----------n/2-----------)[2-----------(20-----------)+(-----------n-1-----------)5]----------- n-----------(5n-----------+35-----------)=1-----------300----------- n-----------(n+-----------7)=-----------260----------- W-----------e g-----------et -----------n=1-----------3. ----------- Nu-----------mbe-----------r o-----------f w-----------eek-----------s=1-----------3. ----------- -----------
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