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 comments:

  1. tylor viola
    1.4.5%
    2.13.12
    3.21
    4.0.175
    5. 3
    6.2500
    7.12,600
    8.150,000
    9.6000
    10.

    ReplyDelete
  2. Alexys n.
    1. 4.5% increase
    2. 13.12% decrease
    3. 21% decreased
    4. 13.3% increase
    5. 3% increase
    6. interest= $500.00 total= $250.00
    7. interest= $126.00 total= $476.00
    8. interest= $1,500.00 total= $6,500.00
    9. interest= $60.00 total= $310.00
    10. interest= $546.00 total= $1,746.00

    ReplyDelete
  3. By:Cailin McDermott

    1.4.5%

    2.13.21%

    3.21%

    4.0.025%

    5.3%

    6.500

    7.1,260

    8.1,500

    9.60

    10.54,600

    ReplyDelete
  4. By:Hannahmekker
    1.4.5%

    2.13.21%

    3.21%

    4.0.025%

    5.3%

    6.500

    7.1260

    8.1500

    9.60

    10.54,600

    ReplyDelete
  5. 1.50 2.1100 3.9.333333333333333 4.235.71428571428571

    ReplyDelete
  6. Samantha A.
    1.4.5
    2.13.21
    3.21
    4.0.175
    5.3
    6.500
    7.6,500
    8.1500
    9.60
    10.54,966

    ReplyDelete
  7. Michael S.
    1}.4.5
    2}.13.21
    3}.21
    4}.0.175
    5}.3
    6}.500
    7}.6,500
    8}.1500
    9}.60
    10}.54966

    ReplyDelete