First, convert 5/4 to a decimal and 4/5 to a decimal 5/4 = 1.25 and 4/5 =0.8 second, assign variables the number = x Write the equation x(1.25)+36=x(0.8) SOLVE: 1.25x+36=0.8x 1.25x=0.8x-36 0.45x=-36 x= -80 Check 1.25(-80) +36=0.8(-80) -64=-64 FINAL ANSWER= -80