She originally had $400 in her bank account.
The 50w represents the amount she will put away each week.
I got 4.14 because i multiplied the deviation which is 4.6 by 0.9 and got that answer
You can make a ratio of red to overall colors and then that will give you the fraction, you might have to simplify it
7.8+3.5(6.8)-1.5
7.8+23.8-1.5
31.6-1.5
30.1
