What is the total payment required to pay off a promissory
note issued for $400.00 at 6%
ordinary interest and a 90-day
term?
A. $430.00
B. $406.00
C. $405.40
D. $409.00

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given