Lanny invest $4000 in a savings account he earns a simple interest of 2.5./. For 5 years what is the simple interest earned

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

wow ok so the answer is 1k or just k

because of combining like terms xd