Holly was given $5 000 by her parents for savings towards college. She invested part of the money in a government bond that paid 6% simple interest every year, and the rest in a bank account that paid 3% simple interest each year. After one year, the investments had earned a total of $225. How much was invested in each plan?

2500 x 1.06 + 2500 x 1.03

Step-by-step explanation:

2500 x 1.06 = 150

150 x .5 (half the simple interest) = 75

150 + 75 = 225

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the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

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