Nws siv sijhawm ntev npaum li cas rau kev nqis peev los ua ob npaug ntawm tus nqi yog tias nws tau nqis peev ntawm 8% sib xyaw ua ke txhua hli?
Nws siv sijhawm ntev npaum li cas rau kev nqis peev los ua ob npaug ntawm tus nqi yog tias nws tau nqis peev ntawm 8% sib xyaw ua ke txhua hli?

Video: Nws siv sijhawm ntev npaum li cas rau kev nqis peev los ua ob npaug ntawm tus nqi yog tias nws tau nqis peev ntawm 8% sib xyaw ua ke txhua hli?

Video: Nws siv sijhawm ntev npaum li cas rau kev nqis peev los ua ob npaug ntawm tus nqi yog tias nws tau nqis peev ntawm 8% sib xyaw ua ke txhua hli?
Video: sawv ntxov tag ki no nlpog thauj Vuas thiab ntoo tuaj txog lawm 2024, Kaum ib hlis
Anonim

Yog ib peev scheme cog lus ib 8 % txhua xyoo ua ke tus nqi xa rov qab, nws yuav coj kwv yees (72 / 8 ) = 9 xyoo ob npaug tus nqis peev nyiaj.

Hais txog qhov no, nws siv sijhawm ntev npaum li cas rau kev nqis peev rau peb npaug ntawm tus nqi yog tias nws tau nqis peev ntawm 6% sib xyaw ua ke txhua hli?

= 72/ tus paj laum = 72/ 6 = 12 xyoo. Nws yuav siv sij hawm 19 xyoo peb npaug koj cov nyiaj.

Tsis tas li ntawd, nws yuav siv nyiaj ntev npaum li cas los ua ob npaug yog tias nws tau nqis peev ntawm 7% sib xyaw ua ke txhua hnub? Yog koj tau 7 % paj compounded txhua hnub , yuav siv sij hawm ntev npaum li cas koj to ob npaug ib peev ntawm $1,000? Ib qho txiaj ntsig ntawm 16,000 khwv tau 1640 qhov paj hauv 2 xyoos thaum ua ke txhua xyoo.

Tsuas yog li ntawd, nws yuav siv sijhawm ntev npaum li cas nyiaj los ua ob npaug yog tias nws tau nqis peev ntawm cov nqi hauv qab no?

Piv txwv li, yog koj xav paub ntev npaum li cas nws yuav coj rau ob npaug koj nyiaj ntawm yim feem pua ntawm cov paj, faib 8 rau 72 thiab tau 9 xyoo. Teb zoo: Txoj Cai ntawm 72 Kev kwv yees: (Peb xav tias qhov paj laum yog sib xyaw ua ke txhua xyoo, los ntawm txoj kev.)

Nws yuav siv sijhawm ntev npaum li cas rau kev nqis peev rau ob npaug ntawm 6% hauv ib xyoos?

12 xyoo

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