Q:

Rita earns $10 per hour. She puts 5% of her earnings in savings. Write inequality to find how many hours Rita must work to save at least $25

Accepted Solution

A:
Answer:Rita must work 50 days  to save at least $25.Step-by-step explanation:The amount Rita earns per hour  = $10The saving percentage =  5%So, the savings of Rita per hour =  5% of $10⇒5% of $10  = [tex]\frac{5}{100}  \times 10  = 0.5[/tex]or Rita saves $0.5 per hour.The amount she wants to save at minimum  = $25So, let she works at the minimum of k Days.⇒[tex]\textrm{The number of hours she has to work}  = \frac{\textrm{Amount she needs saving}}{\textrm{Amount saved in 1 hour}}[/tex]or, [tex]k = \frac{25}{0.5}  = 50[/tex]The number of hours she has to work  =  50 daysHence,  Rita must work 50 days  to save at least $25.