The cost of 7 sandwiches and 5 milkshakes is $79. The cost of 2 sandwiches and 5 milkshakes is $44. How much does one sandwich cost and one milkshake cost?
HELP

Question

The cost of 7 sandwiches and 5 milkshakes is $79. The cost of 2 sandwiches and 5 milkshakes is $44. How much does one sandwich cost and one milkshake cost?   HELP

ngocdiep · Answer

Cost  of one sandwich is $7 and  cost  of milkshake $5.   What is an equation?   In  arithmetic , associate equation could be a formula that expresses the equality of 2 expressions, by connecting them with the sign =.  Main body:  According to question:  let cost of one sandwich be x and cost of milkshake be y .  7x + 5y = $79           -------(1)  2x + 5y = $44          -------(2)   subtracting  equation 2 from 1 , we get  5x = 35  x = $7  so cost of one sandwich is $7.  now substituting value of x in equation 1 , we get  7(7) + 5y = 79  49 +5y = 79  5 y = 20  y = 4  so cost of one milkshake is $5.  Hence cost of one sandwich is $7 and cost of milkshake $5.  To know more about  equation  , visit:  https://brainly.com/question/22688504  #SPJ1

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