A woman invests $39,000, part at 8% and the rest at 9 1 2 % annual interest. If the 9 1 2 % investment provides $467.50 more income than the 8% investment, how much is invested at each rate?

hreryryrranswer:

step-by-step explanation:

the answer is:

the answer is:

to solve the problem, we need to remember the quotient of power property, it's defined by the following relation:

if we have a quotienf of powers that have the same base, we need to keep the same base and subtract the exponent of the denominator power to the exponent of the numerator power.

so, we are given the expression:

then, calculating we have:

hence, the answer is:

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step-by-step explanation: