Question Number 170650 by help12345 last updated on 28/May/22
$$ \\ $$Tom bought a computer for 15% off from the list price of P dollars. If the sales tax was 8%, how much did he pay for the computer including sales tax?
Answered by Rasheed.Sindhi last updated on 28/May/22
$$\left({p}−\mathrm{15\%}\:{of}\:{p}\right)+\mathrm{8\%}\:{of}\:\left({p}−\mathrm{15\%}\:{of}\:{p}\right) \\ $$$$\left({p}−\frac{\mathrm{15}{p}}{\mathrm{100}}\right)+\mathrm{8\%}\:{of}\:\left({p}−\frac{\mathrm{15}{p}}{\mathrm{100}}\right) \\ $$$$\left(\frac{\mathrm{85}{p}}{\mathrm{100}}\right)+\mathrm{8\%}\:{of}\:\left(\frac{\mathrm{85}{p}}{\mathrm{100}}\right) \\ $$$$\frac{\mathrm{17}{p}}{\mathrm{20}}+\frac{\mathrm{17}{p}}{\mathrm{20}}×\frac{\mathrm{8}}{\mathrm{100}} \\ $$$$\frac{\mathrm{17}{p}}{\mathrm{20}}+\frac{\mathrm{17}{p}}{\mathrm{20}}×\frac{\mathrm{2}}{\mathrm{25}} \\ $$$$\frac{\mathrm{17}{p}}{\mathrm{20}}+\frac{\mathrm{17}{p}}{\mathrm{10}}×\frac{\mathrm{1}}{\mathrm{25}} \\ $$$$\frac{\mathrm{17}{p}}{\mathrm{20}}+\frac{\mathrm{17}{p}}{\mathrm{250}} \\ $$$$\frac{\mathrm{459}{p}}{\mathrm{500}} \\ $$
Commented by help12345 last updated on 28/May/22
$${thanks}\:{a}\:{lot} \\ $$