a) = (5/3 - 65/18)*36/7 = (30/18 - 65/18)* 36/7 = -35/18 * 36/7 = -10
b) 973 - 121%
x - 100%
x = (973*100)/121 = 97300/121 ≈ 804
a) = (5/3 - 65/18)*36/7 = (30/18 - 65/18)* 36/7 = -35/18 * 36/7 = -10
b) 973 - 121%
x - 100%
x = (973*100)/121 = 97300/121 ≈ 804