x = amount invested
.07x + .10x = 850
Solve for x, amount invested
Nena invested some money at 7% interest and the same amount at 10%. Her total interest for the year was $850. How much did she invest at each rate?
4 answers
i got it.thank u!
michael borrowed $ 700 from his father. He promise to pay back the $700 with interesd in 9 moths. If michael pays his father 6% simple interest how much does he owe at the end of 9 moths?
phyllis invested $10,000, a portion earning a simple interest rate of 4.5 % per year and the rest earning a rate of 4% per year. after one year the total interest earned on these investments was $413.00. how much money did she invest at each rate?
2 answers