Take a breath, and start thinking of things in mathematical terms
0.04X + 0.07(5000 - X) = 300
All you need to do is expand the expression and move the variable to one side of the equation and solve for X.
There is no precise answer. The best approximation is 1666.67.
$2400
$98.10 in interest is earned in the following year.Year One:$1000 x 0.09 = $90$1000 + $90 = $1090Year Two:$1090 x 0.09 = $98.10
177.50
A real "growth" of -0.0019%, approx.
$330.00
2,400
775
696,00
The amount of interest J.P. will earn is a function of the amount he invests.
$775
215
$810
$43.20 more
$2400
Account B
$2275.28
$1326.91