Understanding the Price Equation of a Phone

The video tutorial presents a problem where the price of a new phone is $300 plus half of its price. The solution involves setting up an equation, P = 300 + P/2, and solving it to find the actual price of the phone. By clearing the fraction and simplifying the equation, the correct price is determined to be $600.

What is the initial description of the phone's price in the problem?

• The phone costs $300.

• The phone costs $450.

• The phone costs $300 plus half of its price.

• The phone costs $600.

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which variable is used to represent the price of the phone in the equation?

• Q

• R

• S

• P

What is the equation set up to find the price of the phone?

• P = 300 + P/2

• P = 300 * P/2

• P = 300 / P/2

• P = 300 - P/2

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CCSS.7.EE.B.4A

What is the first step in solving the equation for the phone's price?

• Add P to both sides.

• Subtract 300 from both sides.

• Divide both sides by 2.

• Multiply both sides by 2.

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CCSS.6.EE.B.6

What is the final calculated price of the phone?

• $300

• $450

• $750

• $600

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CCSS.6.EE.B.6