Mathematics, 03.04.2021 19:20 estefanlionel8678
A set of speakers costs $22 and songs cost $1.25 each. The sales tax rate is 7.5%. The expression 0.075(22 + 1.25s) can be used to determine the amount of sales tax due on the entire purchase. Expand the
Answers: 3
![\Rightarrow [22+1.25s]\times 0.075](/tpl/images/1238/3336/5bdd3.png)
![\Rightarrow C_t=22+1.25s+[22+1.25s]0.075\\\\\Rightarrow C_t=[22+1.25s](1+0.075)=[22+1.25s]\times 1.075\\\\\Rightarrow C_t=\$(23.65+1.343s)](/tpl/images/1238/3336/deb44.png)
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A set of speakers costs $22 and songs cost $1.25 each. The sales tax rate is 7.5%. The expression 0....
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