Thursday, February 10, 2011

% Increase/Decrease & Simple Interest

Rem: First name, last initial

Find the % Increase or Decrease for the following;


1. A $30 item is increased to $45

2. A $82 item is on sale for $66

3. A price decreased from $150 to $136

4. Ticket prices increased from $7 to $9.50

5. 1200 people attended the fair last year; 1500 attended this year


Find the Simple Interest and the Total Amount.


6. $2,000 for 5 years at 5%

7. $350 for 8 years at 4.5%

8. $5,000 for 10 months at 3%

9. $250 for 4 years at 6%

10. Sally borrowed $12,000 at an interest rate of 6.5%. If she borrowed the money
for for 7 years, how much interest did she pay?



7.

19 comments:

  1. Gabriel J.
    1.)50%
    2.)18.9%
    3.)9.99
    4.)3571.4
    5.)25
    6.)$1500
    7.)$224
    8.)$4805
    9.)$190
    10.)Sally has to pay in interest $11454.

    ReplyDelete
  2. Gabriel J.
    1.)50%
    2.)%18.9
    3.)$9.3
    4.)$0.3
    5.)$25
    6.)$1500
    7.)$224
    8.)$1500
    9.)$190
    10.)Sally had to interest $6540.

    ReplyDelete
  3. Danielle P.
    1.50%
    2.19.51%
    3.9.3%
    4.35.71%
    5.25%
    6.$2,500
    7.$1,610
    8.$5,120
    9.$310
    10.$54,600

    ReplyDelete
  4. anneliese dyer
    1)50%
    2)26.8%
    3)9.3%
    4)35.7%
    5)25%
    6)2500
    7)352800
    8)120
    9)60
    10)5460

    ReplyDelete
  5. 1. 4.5% increase
    2. 13.12% decrease
    3. 21% decrease
    4. 0.175% increase
    5. 36.00% increase
    6.
    Joseph D.

    ReplyDelete
  6. sam r.

    1.4.5% increase
    2.13.12% decrease
    3.21% decreased
    4.13.3% increase
    5.3% increase
    6.I=$500.00 T=$2500.00
    7.I=$126.00 T=$476.00
    8.I=$1,500.00 T=$6,500.00
    9. I=$60.00 T=$310.00
    10.I=$546.00 T=$1,746.00

    ReplyDelete
  7. Takumi H.
    1. x= 50% increase
    2. x= 19.51% decrease
    3. x=9.3% decrease
    4. x=1% increase
    5. x=25% increase
    6. Interest=$50,000 Total Amount=$52,000
    7.Interest=$12,600 Total Amount=$12,950
    8. Interest=$150,000 Total Amount=$155,000
    9. Interest=$6000 Total Amount=$6250
    10. Sally paid $546,000 in interest.

    ReplyDelete
  8. Adam F. Group 1
    1)4.5%
    2)19.5%
    3)21%
    4)1.1%
    5)36%
    6)I=50000 T=52000
    7)I=12600 T=12950
    8)I=150000 T=155000
    9)I=6000 T=6250
    10)I=546000 T=558000

    ReplyDelete
  9. Camille P.
    1.)$50
    2.)$19.50
    3.)$9.33
    4.)$35.71
    5.)$25
    6.)$2,500
    7.)$12,950
    8.)$6,500
    9.)$310
    10.)$546,000

    ReplyDelete
  10. Allison O'Brien

    1. 50%
    2.19.5%
    3. 9.3%
    4.40%
    5.25%
    6.i=500 t=2500
    7.i=1260 t=1610
    8.i=1500 t=6500
    9.i=60 t=310
    10.i=5460 t=17460

    ReplyDelete
  11. Ben S.
    1) 4.5% increase
    2) 13.12% decrease
    3) 21% decrease
    4) 0.18% increase
    5) 3,600% increase
    6) simple interest:$500 total:$2,500
    7) simple interest:$126 total:$476
    8) simple interest:$1,500 total:$6,500
    9) simple interest:$60 total:$310
    10) simple interest:$5,460 total:$17,460

    ReplyDelete
  12. marni, q

    1.) $58.50

    2.) $11.88

    3.) $54

    4.) 0.67

    5.)18300

    ReplyDelete
  13. Cassandra R.
    1.50% increase
    2.19.5% decrease
    3.9.3% decrease
    4.35.71% increase
    5.25% increase
    6.interest $500 total$42500
    7.interest $126 total$ 476
    8.interest $1500 total $6500
    9.interest $60 total $310
    10.Sally paid $546 in interest

    ReplyDelete
  14. Destiny G.
    1)50%increase
    2)19.5% decrease
    3)10% decrease
    4)35.7% increase
    5)25%increase
    6)500%
    7)1,260%
    8)1,500%

    ReplyDelete
  15. cassidy m.

    1) 50% increase
    2) 19.5% decrease
    3) 10% decrease
    4) 35.7% increase
    5) 25% increase
    6) 500%
    7) 1,260%
    8) 1,500%

    ReplyDelete
  16. MATTHEW ELMORE WAS HERE

    1. 50%
    2. 19.51%
    3. 9.33%
    4. 35.71%
    5. 25%
    6. Intrest: $100 Total: $2,100

    ReplyDelete
  17. Kenny Pugh THE BIG ONE

    1) 50%
    2)19.51%
    3) 9.33%
    4) 35.71%
    5) 25%
    6) 2,500/500
    7) 12,950/12,600
    8)180/5180
    8)

    ReplyDelete
  18. billy s
    1. 50%
    2. 19.51%
    3. 9.33%
    4. 35.71%
    5. 25%
    6. 500, 2500
    7. 12,950, 12,600
    8. 180, 5180
    9.

    ReplyDelete
  19. marni, q

    1.)50%
    2.)19.51%
    3.)9.3%
    4.)35.71%
    5.)25%
    6.)$2,500
    7.)$1,610
    8.)$5,120
    9.)$310
    10.)$54,600

    ReplyDelete