Answer:
6 times 5 = 30
the total is $162
162 + 30 = $192 at full price
Step-by-step explanation:
B=25
b=2(10)^2(10-5)/10(10
b=2(100)(5)/100
b=(200)(5)/100
B=2500/100
The spread of data is A. 21 to 29 years.