four fifths is 72
250 grams is a cup. 90 cc is 2 fifths of a cup.
225 / 5 * 2 = 45 * 2 = 90
2/5 x 45 = 90/5 = 18
Easy - a tenth is 90, so a fifth must be 180 and two fifths is 360
90
It is 72
36
36
Yes, 2 fifths is half of 4 fifths.
450/5 = 90 3 x 90 = 270
Four-fifths. 2/5 + 2/5 = 4/5.