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If 2 tacos and 4 drinks cost $16, and 3 tacos and 2 drinks cost $16, how much does a taco cost?
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24 votes
24 votes
If 2 tacos and 4 drinks cost $16, and 3 tacos and 2 drinks cost $16, how much does a taco cost?

User Sentenza
by
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1 Answer

8 votes
8 votes

Answer:

$4 is the cost of a taco.

Step-by-step explanation:

The equation will be,

→ 2x + 4y = 16

→ 4y = 16 - 2x

→ y = (16 - 2x)/4

Now the cost of a taco will be,

→ 3x + 2y = 16

→ 3x + 2[(16 - 2x)/4] = 16

→ 3x + 8 - x = 16

→ 2x = 16 - 8

→ x = 8/2

→ [ x = 4 ]

Therefore, the cost is $4.

User Frangaliana
by
2.9k points
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