850 ÷ 25 = 34
0.0071
85
170
25% of 850 = 0.25 x 850 = 212.50 850 + 212.50 = 1,062.50 So the sofa would be sold for 1,062.50 to earn a 25% profit.
25
850 ÷ 25 = 34
0.0071
0.0882
33.4646
0.0024
0.0824
85
170
66.5
25.7576
11 with 25 remaining 850 - 25 = 825 = 75 x 11