b2cutie456
23.10.2021 •
Mathematics
Cora bought 4 pounds of nuts and 2 pounds of raisins for $23.50. Mark bought 2 pounds of nuts and 4 pounds of raisins for $18.50.
a.Write a system of equations that represents the price of the nuts, n, and the price of the raisins, r.
b.Solve the system. How much should a pound of nuts and a pound of raisins cost together?
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Ответ:
4n+2r=23.50
2n+4r=18.40
Ответ: