A percent can be viewed as a fraction over 100, so in this case, we form the fraction 80/100.
However, this is not in simplest form. The largest number that goes into both of these (greatest common factor) is 20, so we should divide the numerator and denominator by 20.
When we do this, we can see that the simplest fraction to represent 80% is 4/5.
Answer: 105ft
Step-by-step explanation: If 1cm is 3.5ft then you should multiply 3.5ft by 30 cm to get 105ft.
For this case we have that each coupon costs $12. So:
Buy a ticket: $12
Get a second ticket at half price we have: 
. Thus, the total to be paid will be $12 + $6 = $18.
Therefore, the correct expression is:
Answer:
12+ (12 divided by 2)
Option C
Answer:
its -3
Step-by-step explanation:
Answer:
Step-by-step explanation:
Cos 2A = 2Cos² A - 1
