Do you mean what equals 220/640 in its lowerst terms
If so then it is 11/32
3 x 13
42
643
640 factors as follows:640/2320/2160/280/240/220/210/25640 via primes = 2 * 2 * 2* 2* 2 * 2 * 2 * 5 = 2^7 * 5
An acre is a measure of surface area = 220 * 22 = 4840 sq. yards 1 sq. mile = 640 acres, so 327 acres = 327/640 = 0.511 sq.miles
154 Sonnets of William Shakespeare
If all his animals were pigs, there'd be 880 legs, There are 240 legs missing which represents 120 chickens (so he has 220 - 120 ie 100 pigs.) Check: (120 x 2) + (100 x 4) = 240 + 400 = 640 QED
640
30 qts 1 quart = 2 pints 1 pint = 0.5 quart
640
640
60% of 640= 60% * 640= 0.6 * 640= 384