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Little Johnny is saving money to purchase a phone. He is saving the same
amount each week. After 3 weeks of saving, Johnny still needs $650 to
purchase the phone. After 6 weeks, he still needs $485. How much does
the phone cost? *
$870
$815
$760
$840


Sagot :

Answer:

$815

Step-by-step explanation:

650 - 485 = $165 saved every 3 weeks

calculate amount before he started saving:

650 + 165 = $815