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

Question

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 *****

Answer 1

2, 3, and 6 are wrong.

The others are right.

Answer 2

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

? ? ? ? ?

Answer 3

2. 15/75 = 0.2 = 20%

3. Right.

6. Interest = principal * rate * time