Question 186938
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Let {{{x}}}=Amount spending
Then:
{{{x+0.04x=91}}}
{{{x(1+0.04)=91}}}---->{{{x(1.04)=91}}}---->{{{x*cross(1.04)/cross(1.04)=cross(91)87.50/cross(1.04)}}}
{{{highlight(x=87.50)}}}, Total before Sales tax
.
Thank you,
Jojo</pre>