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Ella and Margaret were at a carnival. They each got a ticket to the Ferris wheel. Ella got a snow cone, and Margaret got a cotton candy. Ella had a certificate for $6 off the cost. Margaret paid the rest, which came to $12.75. Each Ferris wheel ticket is $5. And a snow cone is $3.50. What was the cost of the cotton candy? A.$5.00 B.$5.25 C.$2.50 D.$7.25

Respuesta :

the answer is B. $5.25

Answer:

B.$5.25

Explanation:

There were 2 tickets to the Ferris wheel; each is $5.  This can be written as 2(5).

Ella got a snow cone, which cost $3.50.  This gives us 2(5) + 3.50.

Margaret got a cotton candy, the cost being unknown; this gives us 2(5)+3.50+x.

Ella had a certificate for $6 off the cost; this gives us 2(5)+3.50+x-6.

This makes the equation

2(5)+3.50+x-6=12.75

Combining like terms, we have

7.50+x = 12.75

Subtract 7.50 from each side:

7.50+x-7.50 = 12.75 - 7.50

x = 5.25

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