1. 1 .75, 1924. Three, one fifth. Two, 1, one quarter plus two thirds equals three twelfth plus eight twelfth equals eleven twelfth. 2, 1/2 minus 1/2 equals 03, (3/8 plus 1/8) plus (2/7 plus 5/7) equals 1/2 plus 1/2 4, 3 minus (3 5,8/9 plus 1/9 minus 1/6 equals 1 minus 1/6 equals 5/6, (3/4 minus 3/4) plus (4/9 plus 4/9) equals zero plus 8/9 equals 8/8. Three, three eighths plus three eighths plus one quarter equals one. Four, one minus (one fifth plus three tenths) equals one half. 5. Suppose a box of glass balls has X kilograms. X equals a quarter of x plus 450.

Three quarters x equals 450.

X equals 600.