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velikii [3]
3 years ago
9

38. Emily is buying some graduation pictures. She pays $25 for the sitting and $15 for each

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
5 0

a. She pays $100 for 5 sheets

b. 25+15x dollars for x sheets

c. 8 sheets

Step-by-step explanation:

Given

Sitting cost = $25

Per sheet picture cost = $15

Let p be the number of sheets of pictures

Then the cost can be written as a function of p

c(p) = 25+15p

Now,

<u>a. How much does she pay for 5 sheets of pictures?! </u>

Putting p = 5 in the function

c(5) = 25 + 15(5)\\= 25+75\\=100

She will pay $100 for 5 sheets of pictures

<u>b. How much does she pay for "x" sheets? </u>

Putting x in place of p

c(x) = 25+15x

<u>c. How many sheets can she buy for $145? </u>

We know the cost now, we have to find p so,

145 = 25+15p\\145-25 = 25+15p-25\\120 = 15p

Dividing both sides by 15

\frac{15p}{15} = \frac{120}{15}\\p = 8

Hence,

She can buy 8 sheets for $145

Keywords: Linear equation, Algebraic functions

Learn more about functions at:

  • brainly.com/question/629998
  • brainly.com/question/6208262

#LearnwithBrainly

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