Answer:
percent proportion....... percent equation
1. $26...........x = 6.5×400/100
2.$12.5.........x = 12.5×100/190
3.20%..........x = 130×100/650
4.120% ..........x = 5.40×100/4.50
5.30%...........x = 8.4×100/28
6.$39....…......x = 21.84×100/56
7.$900.….......x = 495×100/55
8.60%….....….x = 144×100/240
9.30%............ x 120×100/400
10.$39.............x = 975×4/100