Answer:
30 years: 1.38
45 years: 2.07
65 years:2.99
Step-by-step explanation:
$1x0.046=0.046
0.046x30=1.38
0.046x45=2.07
0.046x65=2.99
this is assuming that it gets interest yearly and that they don't want the original amount included.
(ax + b)/c ≤ b
ax+b ≤ cb
ax ≤ cb - b
x ≤ (cb-b)/a