The fun guys game rental store charges an annual fee of $5 plus $6.50 per game rented. The game bank charges an annual fee of $17 plus $3.50 per game. For how many games rentals will the cost be the same at both stores? What is that cost?

A. 4 games

B. $31

Step-by-step explanation:

Fun guys game rental store:

5 + 6.50x

Game bank:

17 + 3.50x

Where,

x = number of games

For how many games rentals will the cost be the same at both stores?

Equate the charges of both stores

5 + 6.50x = 17 + 3.50x

5 - 17 = 3.50x - 6.50x

12 = 3x

Divide both sides by 3

x = 12/3

= 4

x = 4 games

What is that cost?

Game bank:

17 + 3.50x

= 17 + 3.50(4)

= 17 + 14

= $31

( ͡° ͜ʖ ͡°)

step-by-step explanation:

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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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