Answer:
84
Step-by-step explanation:
30% * $280

= 84
So, the sale price is $84
Answer:
9:01
2:36
3:40
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Answer:
m*p/n = percent
Step-by-step explanation:
m% of n is what percent of p?
We can use ratios
m percent
------- = ---------------
n p
Using cross products
m*p = n * percent
Divide each side by n
m*p/n = percent
1. Factor the expression 

2. Since
is placed in the denominator of the given expression, then 
3. Now the expression can be simplified:
