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3 years ago

Bobby made cookies. the circumference of cookies are 6 cm. what is the diameter of the cookies?

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

6 0

C=pi×diameter
6=pi×d
6/pi=d
d=1.91

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Answer:

Price of advance ticket: 15$

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Step-by-step explanation:

Let $y$ be the price of one advance ticket and $x$ the cost of one same day ticket.

We know that the combined cost of one advance ticket and one same-day ticket is $55, so

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We also know that 20 advance tickets and 35 same-day tickets cost $1700, so

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Now, let's solve our system of equations step-by-step:

step 1. Solve for $x$ in equation (1)

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step 2. Replace equation (3) in equation (2)

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$20y+35(55-y)=1700$

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step 3. Replace equation (4) in equation (3)

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