Original price of 1st book = 2.50
After off of 20% [tex]\frac{20}{100}\times2.50=0.50[/tex]
Price becomes = [tex]2.50-0.50=2.00[/tex]
Original price of 2nd book = 4.95
After 20% off [tex]\frac{20}{100}\times4.95=0.99[/tex]
Price becomes = [tex]4.95-0.99=3.96[/tex]
Original price of 3rd book = 6
After 20% off [tex]\frac{20}{100}\times6=1.2[/tex]
Price becomes = [tex]6-1.2=4.8[/tex]
Hence money saved will be = [tex]0.50+0.99+1.20=2.69[/tex]
= $2.69
