Don L. answered 01/27/18
Tutor
5
(18)
Fifteen years teaching and tutoring basic math skills and algebra
Hi Hasan, one-half of 90 is 45. one-fifth of 45 is 9 (45 / 5).
Therefore, to increase one-half of 90 by one-fifth is to increase 45 by 9 or 54.
Questions?