SOLUTION: Erika needs to make a poster that is 2.5 m by 4.5 m for the big game. The cost of the paper is $3.50. Later she needs another poster with dimensions 1.25 m by 2.25 m. What is the p

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: Erika needs to make a poster that is 2.5 m by 4.5 m for the big game. The cost of the paper is $3.50. Later she needs another poster with dimensions 1.25 m by 2.25 m. What is the p      Log On

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Question 1074751: Erika needs to make a poster that is 2.5 m by 4.5 m for the big game. The cost of the paper is $3.50. Later she needs another poster with dimensions 1.25 m by 2.25 m. What is the paper for this poster likely to cost ?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
2.5 x 4.5=11.25
1.25 x 2.25=2.8125
11.25/3.50=2.8125/x
11.25x=3.50 x 2.8125=9.84375
x=.875, or 87.5 cents for the poster. ☺☺☺☺