A number is 60% more than half of 80. To find this number (using the solution of the equation) is very difficult

A number is 60% more than half of 80. To find this number (using the solution of the equation) is very difficult


Let this number be X
x-80×1/2=60%
x-40=0.6
x=40.6



80% of a number is 0.2 more than 75%. Find the number


Let this number be X. 80% x-75% x = 0.2
2 / 5% = 4