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Sagot :
as a fraction it is 7/100 and it would be 7 cents for each dollar. it is $1x.07
we know that
To convert the decimal as fraction in this problem, multiply and divide by one hundred
[tex]0.07=0.07*\frac{100}{100}=\frac{0.07*100}{100}=\frac{7}{100}[/tex]
therefore
the answer Part a) is
the decimal as fraction is equal to [tex]\frac{7}{100}[/tex]
Part b)
we know that
[tex]1[/tex] dollar is equal to [tex]100[/tex] cents
[tex]1[/tex] cent is equal to [tex]0.01[/tex] dollars
the tax is equal to [tex]0.07[/tex] dollars
so
by proportion
[tex]\frac{100}{1} \frac{cents}{dollar}=\frac{x}{0.07} \frac{cents}{dollars}\\ \\x=100*0.7\\ \\x=7\ cents[/tex]
the tax is equal to [tex]7[/tex] cents
therefore
the answer part b) is
There are [tex]7[/tex] cents of tax in each dollar
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