Lincoln is working two summer jobs, making $13 per hour lifeguarding and $23 per hour tutoring. last week lincoln earned a total of $210 and worked 4 times as many hours tutoring as he worked hours lifeguarding. determine the number of hours lincoln worked lifeguarding last week and the number of hours he worked tutoring last week. lincoln worked hours lifeguarding and hours tutoring.

we are given expression: and .

in order to find it's greatest common factor, let us break it into smaller parts.

let us find greatest common factor of 54 and 27 first.

54 = 27 × 2

27 = 27 × 1

now, let us find the greatest common factor of m and m^3.

now, let us find the greatest common factor of n^4 and n^2.

therefore, following expressions are part of the greatest common factor of 54mn^4 and 27m^3n^2.