250% of what number is 90
The equation out of this is; what is 250/100 of a number x = 90?=> Division of 250 by 100 gives 2.5.=> Now multiply 2.5 by a number x resulting to 2.5x on the L.H.S.=> make x the subject and come up with x = 90/2.5.answer is 1/36.