Homework Help: mathematics

Posted by gbe on Monday, February 1, 2010 at 11:38am.

Ginger earns $18,500 annually and has 22% of her gross earnings
withheld. What is the net amount of her paycheck each pay period if
she is paid biweekly?

2)Zack deposited $1,200 in a savings account that paid 7.75% simple
interest. What was the balance in his account at the beginning of the
third year?

3)Adam borrowed $1,200 for 18 months at 11.5% simple interest under an
add-on plan. What was his monthly payment?

mathematics - Ms. Sue, Monday, February 1, 2010 at 12:13pm
1)
18,500 * 0.22 = 4,070

18,500 - 4,070 = 14,430

14,430 / 26 = ?

2)
1,200 * 0.075 = x
3x + 1,200 = ?

3)
What do you think?
mathematics - gbe, Monday, February 1, 2010 at 12:30pm
for the secound question i did the same but the answer was wronn??
its
1,200 * 0.075 = x
3x + 1,200 =

i had 1470

1200*0.075=90
3*90+ 1200=1470
mathematics - Ms. Sue, Monday, February 1, 2010 at 12:39pm
I get the same answer, $1470, for the second problem.
mathematics - gbe, Monday, February 1, 2010 at 12:48pm
i had a small test and i put that down and than on my test it said its wrong i dont know y?so i wanted to see if i did something wrong.

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