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Olivers grandfather invested 150 at 5 percent interest compounded quarterly When Oliver inherited it the amount was 6000 For how many years had the 150 been invested?
74 or 75 years
If you have 2500 to invest at 6 interest compounded quarterly. For how many years will the money need to be invested for that amount to triple?
It will take 19 years.
A combined total of 24000 is invested in two bonds that pay 7.5 and 9 simple interest The total annual interest is 1935 How much is invested in each bond?
x = the amount of money that was invested at the first bond y = the amount of money that was invested at the second bond x + y = 24,000 so, y = 24,000 - x 0.075x + 0.09y = 1935 0.075x + 0.09(24,000 - x) = 1935 0.075x + 2160 - 0.09x = 1935 -0.015x = - 225 0.015x = 225 x = 225/0.015 x = 15,000, this is the amount of money that was invested in the first bond y = 24,000 - x y = 24,000 - 15,000 y = 9,000, this is the amount of money that was invested in the second bond Check it: 15,000 x 0.075 = 1,125 9,000 x 0.09 = 810 1,125 + 810 = 1,935
How much would 900 invested at 6 percent interest compounded continuously be worth after 4 years?
At 6% interest, the total amount of money increases by a factor of 1.06 (100% + 6%) every year, so to get the amount after 4 years, you calculate 900 x 1.064.
Find the final amount for the investment 750 at 10 percent interest compounded quarterly for 10 years?
750 invested for 10 years at 10% pa would be 1,945
