Q:

1. Chris is saving for a Xbox One. He currently has $165 saved and earns $40 per week doing chores around the house. If an Xbox costs $500 plus 10% sales tax, how long will it take for him to save that amount?

Accepted Solution

A:
Answer:The Time taken by Chris to save that much amount will be 9 weeks and 4 daysStep-by-step explanation:Given as :The present amount that Chris have = $165 The cost of Xbox = $500 + 10% sales taxSo, Total cost of Xbox = $500 + 10% of $500Or, Total cost of Xbox = $500 + $50 = $550Now Amount which Chris need more to buy = $550 - $165 = $ 385As He earn $40 in a week Let  the time taken for him to save money = x ∵ To  earn amount of $40 he work for 1 week∴ To earn amount of $385 he have to wok for [tex]\frac{1}{40}[/tex] × 385 weekor, To earn amount of $385 he have to wok for = [tex]\frac{385}{40}[/tex] = 9.625 weeks = 9 weeks + 4 days Hence, To earn amount of $385 he have to wok for 9 weeks and 4 days Answer