# SOLUTION: You have \$100 dollars. You must purchase a total of 100 animals. Dogs costs \$10 each. Cats costs \$3 each. Mouse cost .50 cents each. how many Dogs, Cats, Mice do I need to total up

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Misc -> SOLUTION: You have \$100 dollars. You must purchase a total of 100 animals. Dogs costs \$10 each. Cats costs \$3 each. Mouse cost .50 cents each. how many Dogs, Cats, Mice do I need to total up      Log On

 Ad: Over 600 Algebra Word Problems at edhelper.com Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Word Problems: Miscellaneous Word Problems Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Miscellaneous Word Problems Question 128057: You have \$100 dollars. You must purchase a total of 100 animals. Dogs costs \$10 each. Cats costs \$3 each. Mouse cost .50 cents each. how many Dogs, Cats, Mice do I need to total up to 100 animals and I have to spend the entire \$100 dollars.Answer by ankor@dixie-net.com(15746)   (Show Source): You can put this solution on YOUR website!You have \$100 dollars. You must purchase a total of 100 animals. Dogs costs \$10 each. Cats costs \$3 each. Mouse cost .50 cents each. how many Dogs, Cats, Mice do I need to total up to 100 animals and I have to spend the entire \$100 dollars. : Here's one solution : Let d = no. of dogs Let c = no. of cats Let m = no. of mice : No. of animal equation: d + c + m = 100 : Total cost of animals equation 10d + 3c + .5m = 100 : There can't be very many dogs, 5 at the most Assume there are 5 dogs 10(5) + 3c + .5m = 100 3c + .5m = 100 - 50 3c + .5m = 50 : The number of animal equations 5 + c + m = 100 c + m = 95 : Multiply the \$\$ equation by 2 and subtract the above equation 6c + 1m = 100 1c + 1m = 95 --------------- 5c + 0m = 5 c = 5/5 c = 1 cat : Find mice using c + m = 95 1 + m = 95 m = 94 mice : Let's assume we have 5 dogs, 1 cat, and 94 mice a total of 100 animals : Check the total cost 5(10) + 3(1) + .5(94) = 50 + 3 + 47 = \$100 :