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3 years ago

Solve the system of equation

Mathematics

1 answer:

Phoenix [80]3 years ago

7 0

Answer:

plain = $10.50

pepperoni = $12.50

Step-by-step explanation:

x = pepperoni

y = plain

3x + 2y = 58.5

2x + 4y = 67

using substitution method, I multiplied the first system by -2 to get:

-6x - 4y = -117

+ 2x + 4y = 67

-4x = -50

x = $12.50

2(12.5) + 4y = 67

25 + 4y = 67

4y = 42

y = $10.50

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