3:15
Step by step explanation:
10:45
-7:30
———
3:15
Use Desmos. It is good.
Here is the graph.
https://www.desmos.com/calculator/wq4kzps9fq
To change the color, you have to click on the line next to the formula for a long time. A window will pop up so you can change the color.
500+ 500 is 1,000, 500 represents 1 so times that by two and you get 1,000
I did 0.80-0.25=0.55
so I figured that is what she had left so I know took the total 0.80-0.55 and got0.25 which is B.
My friend said the correct answer was A.
Don't worry I just did this problem!