4/5 because 12/3=4 and 15/3=5
65:100 because there are 65 girls and then 65 girls + 35 boys = 100 total students
Sample space for all possible outcomes:
HH, HT, TH, TT
Sample space for event where heads is the first toss:
HT, HH
Answer:
1.) $10.50 + $3.50n
2.) Replace the variable with the given number. In this case, the given number is 20.
n = 20
$10.50 + $3.50(20)
$10.50 + $70 = $80.50
So, the total cost to visit the fair is $80.50.
Answer:
true
Step-by-step explanation:
