Roberto invested a total of $1, part at 6% and part at 9% . how much did he invest in the higher interest account if the total interest earned in one year was $810?

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Can someone check if i did this correct. it’s number 4 if you’re wondering.

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.