Multiply by 0.4: To solve for r, we need to isolate r on one side of the equation. We can do this by multiplying both sides of the equation by 0.4.(0.4r)=1.5r=1.5×0.4
Isolate r: Now we perform the multiplication to find the value of r.r=1.5×0.4r=0.6
More problems from Solve linear equations: mixed review