Math #1
Math #2
Math #3
Math #4
100

You go shopping and find a sweater that is $40 but it's 20% off, but then you have to pay sales tax 10% on purchase price.  How much is the sweater all together?


$35.20

Sweater $40 - 20% of $40 which is $8 = $32.00

Sales tax 10% of $32 is $3.20, add that to $32.00 = Total $35.20

100

Approx how much is a college education?

Tuition $9,000 each semeter [Fall Semester + Spring Semester each year] paid twice a year.

Housing, food, pg&e, internet etc.  $3000 a month for 10 months a year.  Assuming you come home over summer. 

How much will you pay for 4 years?  

$192,000

2(9000) for 4 years $18000 times 4 = $72,000

$3000(10) for 4 years = $30,000 times 4 = $120,000

Total $72,000+$120,000 = $192,000

100

3x - 14 = 10  Solve for x.

x = 8

100

Find the height of the tree if the man is standing 23 feet from the base of the tree and the angle of elevation is 45 degrees. Ignore the height of the man. x = 45 degrees.  Find BC.

45-45-90 triangle  is isoceles.

Height of the tree 23 Ft.

M
e
n
u