Alexis has a steady babysitting job over the summer. She starts out with $50 by the end of the first week and earns $30 each week. She thinks it will take her 7 weeks or more to have enough money to buy a $200 iPhone. Will it take less time than this? If so, how many weeks will it take? Justify your answer using complete sentences and proper grammar.

Question

Mathematics

Shiloh

15 April, 23:48

Alexis has a steady babysitting job over the summer. She starts out with $50 by the end of the first week and earns $30 each week. She thinks it will take her 7 weeks or more to have enough money to buy a $200 iPhone. Will it take less time than this? If so, how many weeks will it take? Justify your answer using complete sentences and proper grammar.

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Mira Gonzales · Answer 1

It will take Alexis 5 weeks. If she starts off with $50, she will still need $150. Then, she earns $30 each week every week. Making $30 for 5 weeks will get Alexis to $150, because 30*5 is 150. Then once you add in the money she started with you will get $200. $150+$50=$200.