Answered

for a given interest rate, simple interest varies jointly as principal and time•if $2000 left in an account for 5years earns interest of $320, how much interest would be earned in if you deposit $5000 for 7 years?
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Sagot :

FRANCISRAFAELFLORGO

Answer:

$1120

Step-by-step explanation:

320=2000(5)(r)

320=10000r

r=0.032 or 3.2%

interest=5000(7)(3.2%)

=$1120

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