3. Fun Zone charges an entrance fee of $6.00 and $0.45 per token to play games. Crazy World charges an entrance
fee of $12.00 and $0.30 per token to play
games. How many tokens must be purchased in order for the total at Fun
Zone and Crazy World to be the same?

A. 120 tokens
B. 8 tokens
C. 40 tokens
D. 24 tokens

C. 40

Step-by-step explanation:

.45x +6 = .3x + 12

.15x =6

.15x/.15=16/.15=40

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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: