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At a concession​ stand, five hot dog(s) and two hamburger(s) cost ​$\$10.25$​; two hot dog(s) and five hamburger(s) cost ​$\$12.50$. Find the cost of one hot dog and the cost of one hamburger.

 Aug 18, 2021
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5d + 2h =10.25

2d + 5h  = 12.50  <==== Multiply this equation by - 2.5   then add to top equation ...the d's will be gone and you can solve for 'h'

                                      use this value of 'h' in one of the equations to solve for 'd'   

 Aug 18, 2021

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