Which of the following is the solution to the equation 25(z + 4) = 125? (6 points) z = 5.5 z = 3.5 z = −2.5 z = −0.5
2 answers:
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Let the amount invested at 4% be = x
Let the amount invested at 3% be = y
Given is:
or
.... (1)
As, total income for the two investments is $194, so equation is:
....(2)
Putting value of x from (1) in (2)
And x=5200-y
Hence, money invested at 4% is $3800 and money invested at 3% is $1400