tianix34 tianix34

13-01-2019
Mathematics

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Garien buys 5 neon tetras and 4 cardinal tetras for $15.50. Marcus buys 6 neon tetras and 10 cardinal tetras for $26.40. Write a system of equations that can be used to find n, the cost of 1 neon tetra, and c, the cost of 1 cardinal tetra.

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mathecoach mathecoach

13-01-2019

Answer:

5n + 4c = 15.50

6n + 10c = 26.40

Solve the system and get c = 1.50 ∧ n = 1.90

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