SOLUTION: There are 340 dinosaur model legs in a box. There are twice as many four legged dinosaur as there are two legged in the box. How many four legged dinosaur are there? And how many t

Algebra ->  Test -> SOLUTION: There are 340 dinosaur model legs in a box. There are twice as many four legged dinosaur as there are two legged in the box. How many four legged dinosaur are there? And how many t      Log On


   



Question 450159: There are 340 dinosaur model legs in a box. There are twice as many four legged dinosaur as there are two legged in the box. How many four legged dinosaur are there? And how many two legged dinosaur are there?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
"There are 340 dinosaur model legs in a box" ___ 4f + 2t = 340

"There are twice as many four legged dinosaur as there are two legged in the box" ___ f = 2t

solve the system of equations by substitution (or elimination)