Question

Kristy earns $18 for 2 hours of babysitting. She charges a constant hourly rate. Which table correctly shows the amount Kristy earns babysitting for different number of hours?

Answer 1

Answer:

$Hours(x)\ \ \ \ \ \ \ \ Earning(9x)\ \\1\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 9\\2\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 18\\3\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 27\\4\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 36\\5\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 45$

Step-by-step explanation:

$For\ 2\ hours\ babysitting\ Kristy\ gets\ \ 18\\\\For\ 1\ hour\ she\ will\ get=\frac{18}{2}=\ 9\\\\y=9x\\where\ x\ represents\ number\ of\ hours\ and\ y\ earning\\\\Hours(x)\ \ \ \ \ \ \ \ Earning(9x)\ \\1\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 9\\2\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 18\\3\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 27\\4\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 36\\5\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 45$