Piper is deciding whether she should pursue an education in engineering or in public communications. She has researched that a public communications director will make $13,560 less than an engineer each year. If the median salary of an engineer is $73,400, then how much will a public communications director make over a period of 20 years?

A public communications director would make $1,196,800 over a period of 20 years.

Step-by-step explanation:

The median salary of an engineer is $73,400 per year.

Piper has researched that a public communications director makes $13,560 less than this. (so we need to take this amount from the salary of an engineer)

Therefore, we would have that a public communications director would make

73,400 - 13,560 = $59, 840 per year

Now, the problem asks us how much a public communications director will make over a period of 20 years, thus, we have to multiply the amount she will get per year by 20.

Thus, over 20 years she would make: 59,840 x 20 = $1,196,800

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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step-by-step explanation: