Answer:
Allison worked 6 hours lifeguarding and 3 hours washing cars.
Step-by-step explanation:
Let
Number of hours Allison worked lifeguarding last week = x
Number of hours Allison worked washing cars last week = y
1. Last week Allison worked 3 more hours lifeguarding than hours washing cars hours, then

<u>Lifeguarding:</u>
$12 per hour
$12x in x hours.
<u>Washing cars:</u>
$8 pere hour
$8y in y hours.
2. Allison earned a total of $96, hence

You get the system of two equations:

Plot the graphs of these two equations (see attached diagram). These line intersect at point (6,3), so Allison worked 6 hours lifeguarding and 3 hours washing cars.
Answer:
32
Step-by-step explanation:
Do 5x5 then add 7.
Answer:The score above the mean is 50 percent.
Step-by-step explanation:
Hello, I'll try to make this as easy to understand as possible, anyways, let's begin:
First, we know that 3 is a bigger number than 2 1/2, and since it's negative, it means they lost weight, therefore...
Jenna lost more weight than Sarah.
Hope this helped! c: