( 1) 160 *(X+44)* 40% *( 1+20%)=( 160+20)* X * 40% *( 1+ 10%)
76.8 times +3379.2 = 79.2 times
X= 1408
(2) This year's expenses = 210 *1408 = 295,680 yuan,
Revenue this year = (160+20) *1408 * 6 =1520640,
Last year's cost = 210 * (1408+44) = 304920,
Last year's income =160 * (1408+44) * 6 =1393920.