125 pounds decreased by 4%
find the new amount

You multiply 4 times 125 to get 500 and then divide it by 100 to get 5. This tells you that 5 is the 4% of 125. Now decreasing is subtraction so you do 125 minus 5 which gives you 120 and that's your answer.

Letter b hope it

You must find the surface of the block therefore 98187 dived by 5628 = 583m squared