5) 1,512 is 5 because 12,600× .12 leaves you 1512$ dollars off the original price.
6) 15.38 or 15.4% if you round to the nearest tenth. 32,800÷ 2132 leaves you the % additional of the raise can also be written as 32,800 = 2132x divide both sides and x being the percent is 15.4%.
7) the discount is 49.90$ another one like 5. multiply 499.00 x .10 = 49.9 also said as 49.90.
