Amanda

Amanda borrowed $5000 from two sources: her parents and a credit union. Her parents charged 3% simple interest and the credit union charged 6% simple interest. After one year, Amanda paid $225 in interest. How much did she borrow from her parents, and how much did she borrow from the credit union?

Correct answer:

a =  2500 USD
b =  2500 USD

Step-by-step explanation:

x=5000 q1=3%=1003=0.03 q2=6%=1006=503=0.06  5000=a+b 225=q1 a+q2 b 5000=a+b 225=0.03 a+0.06 b  a+b=5000 0.03a+0.06b=225  Row20.030000000000001 Row1Row2 a+b=5000 0.03b=75  b=0.0375=2500 a=5000b=50002500=2500=2500 USD  a=2500 b=2500



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