Math

With the stars (*) next 2 the #'s are my answers! ! !


1) Find the percent of increase. ~ 50 to 70

20%
30%
40% *****
50%

2) Find the percent of decrease. Round your answer to the nearest tenth of a percent where necessary. ~ 75 to 60

20%
30%
40%
50% ******

3) Find the percent markup. Round to the nearest whole percent.
Store's Cost: $100
Selling Price: $160

50%
60%
70% *****
80%

4) Find the sale price. Round to the nearest cent.
Regular Price: $57.63
Percent of Discount: 10%

$63.39
$5.76
$51.87 *****
$57.53

5) Find the sale price. Round to the nearest cent.
Regular Price: $56
Percent of Discount: 40%

$50.00
$22.40
$40.00
$33.60 *****

6) Find the interest earned by an account with $1,200 of simple interest of 4% for 3 years.

$144
$244
$44
$88 *****

  1. 👍 0
  2. 👎 0
  3. 👁 355
asked by Dayana
  1. 2, 3, and 6 are wrong.

    The others are right.

  2. 2) 40%
    3)60%
    6)$44

    ? ? ? ? ?

  3. 2. 15/75 = 0.2 = 20%

    3. Right.

    6. Interest = principal * rate * time

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