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Answer:
400 is the down payment of 20% of 2000.
18 months × 100=$1800.
The interest rate is 10.90% or .10909%
Step-by-step explanation:
400 down payment
1800 in payments
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$2200.00 total paid in 18 months.
To get interest rate divide 24 by 1800. = .1090.... rate