Answer:
A) 0.15
B) 0.36
Step-by-step explanation:
First Box consist 1 red pills and 19 blue pills
second box consist 6 red pills and 14 blue pills
Third box consist 2 red pills and 18 blue pills
a) Prob ( randomly chosen pill is red) 

b)Prob ( 1 reds and 10 blue pilss) =

Use the Order of Operations.
1/2(14)(5)
1/2(70)
35
The answer is: 35
Convert your percent to a decimal: .24
Multiply your cost and decimal
300 * .24 = 72
Subtract
300-72 = 228
No, the TI-36X Pro is not allowed on the PSAT, as it is not found on the list of acceptable calculators.