SOLUTION: what is a better buy, a 2" wide roll of tape that is 55 yards long and sells for $5.75, or a 1.75" wide roll that is 48 yards and sells for $5.25? thanks

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: what is a better buy, a 2" wide roll of tape that is 55 yards long and sells for $5.75, or a 1.75" wide roll that is 48 yards and sells for $5.25? thanks       Log On


   

Question 908606: what is a better buy, a 2" wide roll of tape that is 55 yards long and sells for $5.75, or a 1.75" wide roll that is 48 yards and sells for $5.25?
thanks
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
1in= 1/36 yd
2in = 1/18yd
1 3/4 in = (7/4)(1/36) = 7/144
A = %281%2F18%2955= 3.06 yd^2
A = %287%2F144%2948%29 = 2 1/3 yd^2
5.75%2F3.06 = $1.88/yd^2 ****as common sense would tell us is the better buy
5.25%2F%287%2F3%29 =$ 2.25/yd^2