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15. For a school basketball game, the cost is $7.50 per ticketNumber of Shirts23Total Cost (S)4

15 For A School Basketball Game The Cost Is 750 Per TicketNumber Of Shirts23Total Cost S4 class=

Sagot :

Explanation

Step 1

as the cost per unit is 7.5 , we can set a function

[tex]\begin{gathered} total\text{ cost=}7.5x \\ where\text{ is is the number of shirts, } \end{gathered}[/tex]

so

a)for x=1

[tex]\begin{gathered} total\text{ cost=}7.5x \\ tota\text{l cost=}7.5*1=7.5 \end{gathered}[/tex]

b))for x=2

[tex]\begin{gathered} total\text{ cost=}7.5x \\ tota\text{l cost=}7.5*2=15 \end{gathered}[/tex]

c)forx= 3

[tex]\begin{gathered} total\text{ cost=}7.5x \\ tota\text{l cost=}7.5*3=22.5 \end{gathered}[/tex]

d)for x=4

[tex]\begin{gathered} total\text{ cost=}7.5x \\ tota\text{l cost=}7.5*4=305 \end{gathered}[/tex]

so, the answer is

View image ShuaibS388828
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