4/5 , 0.66 , 0.86 , 84% least to greatest

0.66, 4/5, 84%, 0.86

Step-by-step explanation:

4/5 × 20 = 80/100 = 0.8

84% ÷ 100 = 0.84

0.66, 0.8, 0.84, 0.86

step-by-step explanation:

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.