Mathematics

Question

Jordan bought a notebook for $5, 6 pencils for $1 each, and a binder for $9. The sales tax for the whole purchase was $2

What percent was the sales tax?( The First one )


Jackie buys a basket for $6, 2 pounds of apples for $3.50 per pound, and 2 pounds of oranges for $3.50 each per pound. The tax for the whole purchase is $1.

Express the tax as a percentage.( The second one)

1 Answer

  • 1.
    [tex]t=[/tex] total
    [tex]t=5+6(1)+9[/tex]
    [tex]t=20[/tex]
    $20 total

    [tex]p=[/tex] sales tax from purchase
    [tex]s=[/tex] sales tax percentage
    [tex]ts=p\\20s=2 \\ s= \frac{2}{20} \\ s=.1[/tex]
    [tex].1(100)=10[/tex]
    10% sales tax

    2.
    [tex]t=[/tex] total
    [tex]t=6+2(3.5)+2(3.5)[/tex]
    [tex]t=6+7+7[/tex]
    [tex]t=20[/tex]
    $20 total

    [tex]p=[/tex] sales tax from purchase
    [tex]s=[/tex] sales tax percentage
    [tex]ts=p \\20s=1\\ s= \frac{1}{20} \\ s=.05[/tex]
    [tex].05(100)=5[/tex]
    5% sales tax