The maximum activity level of a particular enzyme is 606060 micromolars per minute \left(\dfrac{\mu\text{m}}{\text{min }}\right)( min μm start fraction, mu, m, divided by, m, i, n, end fraction, )and occurs at a temperature of 202020 degrees celsius (^\circ\text c)( ∘ degree, c, ). for every 2\,^\circ\text{c}2 ∘ c2, space, degree, c above or below 20\,^\circ\text c20 ∘ c20, space, degree, c, the enzyme activity decreases by 8\,\dfrac{\mu\text{m}}{\text{min}}\ ,8 min μm 8, space, start fraction, mu, m, divided by, m, i, n, end fraction, space. which of the following equations can be used to find the temperatures, ttt, at which the enzyme activity level is 40\,\dfrac{\mu\text{m}}{\text{min}} 40 min μm 40, space, start fraction, mu, m, divided by, m, i, n, end fraction ? choose 1 60-4|t-20| =40