Help plz! Due tomorrow

The answer to your question is he bought 11 pounds of cashew.

Total pounds = 16

peanuts = p = $2.75

cashew = c = $3.25

total cost = $49.50

Process

1.- Write two equations to solve this problem

                 p  +  c = 16                    Equation 1

          2.75p + 3.25c = 49.50        Equation 2

Solve the system by substitution

2.- Solve equation 1 for p

                 p = 16 – c

Substitute p in equation 2

          2.75(16 – c) + 3.25c = 49.5

Expand

           44 – 2.75c + 3.25c = 49.5

Solve for c

            3.25c – 2.75c = 49.5 – 44

                        0.5c = 5.5

                              c = 5.5/0.5

                              c = 11

3.- Find p

                p = 16 – 11

                p = 5 pounds

4.- Conclusion

Elijah bought 11 pounds of cashew and 5 pounds of peanuts    

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