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Philip is saving money to buy a new computer. He saves the same amount of money each week.
• After 2 weeks of saving, Philip still needs $520 to buy the
computer.
• After 6 weeks of saving, Philip still needs $300 to buy the
computer
How much does the computer cost?
(Note: Express the answer as dollars.cents.)

Philip is saving money to buy a new computer He saves the same amount of money each week After 2 weeks of saving Philip still needs 520 to buy the computer Afte class=

Respuesta :

Answer:

If he still needs 520 to buy the computer in 2 weeks of saving, and 300 to buy the computer in 6 weeks of saving, he saves (520-300)/4, or 55 dollars each week.

So, at week zero, we can find the cost of the computer, which is 520+55+55, or 630 dollars.

Let me know if this helps!

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