9. The total number of tickets sold this October at the Bayville Haunted House was 1250. The cost of tickets was $6 for children and $7.50 for adults. The Haunted House made a total of $8362.50. How many of each
ticket (adult and children) were sold?

please answer this im failing algebra✋

step-by-step explanation:

6.48/4 4 goes into 6.48 1.62 times

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation: