Jason and Marc each bought a new video game for $40. • Jason sold his game to the used game store for 25% less than the original price.
• Marc sold his game to the used game store for 30% less than the original price.
Enter how much more money, in dollars, Jason received for his video game than Marc received for his video game.
S

2.50 more dollars then Marc

Step-by-step explanation:

2 dollars more

Step-by-step explanation:

0.25×40=10

0.25×40=12

12-10=2

answer: 7270

step-by-step explanation:

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: