The area is 2250 square feet.
If the interest is the same for both accounts then:
.03x=.05(16000-x)
.03x=800-.05x
.08x=800
x=10000, since the interest is the same for both we can just double the interest from one investment to find the total interest earned each year...
.03(10000)2=$600.00
NC18 apparently this is too short of an answer and is not explained well
Answer:
i think it's this Bh(x) = (x + 1)(10x - 1)
The translated answer would be 124.1