Suggested Answer
51+15<=3w-15+15<=204+15 66<=3w<=219 66/3<=3w/w<=219/3 the answer22<=w<=73 all real number between and including 22 and 73
51+15<=3w-15+15<=204+15 66<=3w<=219 66/3<=3w/w<=219/3 the answer22<=w<=73 all real number between and including 22 and 73