Mathematics
Mathematics, 29.09.2019 19:30, feven4722

This is for 20 !
the cost of having photos taken includes a sitting fee and $12 for each portrait. the cost of 3, 6, and 9 photos respectively is $51, $87, and $123. what is the sitting fee?
a. $13
b.$15
c.$27

answer
Answers: 1

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This is for 20 !
the cost of having photos taken includes a sitting fee and $12 for each port...

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