Question

Twice the difference of a number and 3 is at most 27

Answer 1

Twice the difference of a number and 3 is at most 27

2*(n-3) <=27

to solve

distribute

2n -6 <=27

add 6 to each side

2n <=33

divide by 2

n <=33/2

n<= 16 1/2