sigh, 18...
90 !
one fifth of a pound is : 90
90
1 fifth of 90 = 90/5 = 90*0.2 = 18
18
whats a 5th of 90 meters
One: [(4 X 100) + 90] = 490. The average is one fifth of this, which is 98 as stated.
The usual multiplication sentence for a fifth grader is 90 times 64.
The LCD of 0.9 (9/10) and 1/45 is 90.
x/15 = 6, x = 90, 10% = 9
One fifth plus one fifth is two fifths (2/5).