If she deposits $1200 and it earns an interest of $144 over 2 years, then she earns $72 per year. Meaning that after 7 years her account will have a balance of $1704
$1344 - $1200 = 144
144/2 = 72
72 * 7 = 504
$1200 + $504 = $1704
They reduce pregnancy because the delay the uterus releasing the egg, and delay ovulation. Less than 1% of women who use IUDs pregnant, although pregnancies after the emergency contraceptive pill are not as rare.
The answer is true. hope this helped! :)
