Question 984842

The sales tax rate is {{{6}}}% or {{{0.06}}} of the price {{{x}}}. 
If her total receipts (including the tax) are ${{{795}}} for a certain day,then 

${{{795=x+0.06x}}}
${{{795=1.06x}}}
${{{795/1.06=x}}}
${{{750=x}}}
and educational materials original price was ${{{750}}}

then tax amount is {{{750*0.06=45}}}

check: original price + tax=${{{795}}}

${{{750+45=795}}}

${{{795=795}}}