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Mathematics 15 Online
OpenStudy (anonymous):

Help ! Anyone ? . in the choices I've got there is no 13 years and 8 month... (they have 13 years and 10 months) so I'm guessing is that one.. but they also have 13 years and 5 months... so like, i want to know how to solve Brooklyn has a goal to save $8,000 to buy a new entertainment system. In order to meet that goal, she deposited $4,132.79 into a savings account. If the account has an interest rate of 4.8% compounded quarterly, approximately when will Brooklyn be able to make the purchase? 10 years, 1 month 13 years, 10 months 14 years, 1 month 26 years, 10 months

OpenStudy (anonymous):

8,000=4,132.79(1+4.8%/4)^(4*t) did I set it up right ?

ganeshie8 (ganeshie8):

looks right

ganeshie8 (ganeshie8):

you need to convert '13.8 years' to 'years' and 'months'

ganeshie8 (ganeshie8):

for ex, '13.5 years' is not same as '13 years 5 months'

ganeshie8 (ganeshie8):

'13.5 years' is '13 years 6 months'

ganeshie8 (ganeshie8):

getting ?

ganeshie8 (ganeshie8):

13.8 years = 13 years + .8 years = 13 years + .8 x 12 months simplify

OpenStudy (anonymous):

22.6 ?

ganeshie8 (ganeshie8):

13.8 years = 13 years + .8 years = 13 years + .8 x 12 months = 13 years + 9.6 months

ganeshie8 (ganeshie8):

you dont add years wid months directly :)

ganeshie8 (ganeshie8):

thats just, 13 years and 9.6 months

OpenStudy (anonymous):

round 9.6 to get 10

ganeshie8 (ganeshie8):

yes !

OpenStudy (anonymous):

Thank you soo much :D

ganeshie8 (ganeshie8):

np :)

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