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Ronnie collects horseshoes and hand grenades and placesthem in bags inside his room. One bag has 3 horseshoes and 7 grenades and weighs 32 pounds. Another bag contains 6 horseshoes and 2 grenades and weighs 22 pounds. Define the variables for this problem, write a system of equations and then find out how much 1 grenade weighs.

 May 24, 2021
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3 s   + 7 h = 32        s = shoes   h= hand grenades

6 s   + 2 h = 22        Multiply first equation by -2   and add to second equation to get :

 

-12 h = -42

h = 3.5 pounds

 May 24, 2021

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