Respuesta :
Answer:
Last week she work [tex]3\frac{54}{78}\ hours[/tex].
Step-by-step explanation:
Given:
Last week Stacy earned $24 for baby sitting for hours in her part time job at Burger city she work 12 hours and earned $78.
Now, to find the total hours she work last week.
As, given she work 12 hours and earned $78.
So, to solve by using unitary method:
If she earned $78 in working 12 hours.
So, she earned $1 in working = [tex]\frac{12}{78}\ hour.[/tex]
Thus, she earned $24 in working = [tex]\frac{12}{78} \times 24[/tex]
[tex]=\frac{288}{78}[/tex]
[tex]=3\frac{54}{78}\ hours.[/tex]
Therefore, last week she work [tex]3\frac{54}{78}\ hours[/tex].
