50.24. I used the formula for area of a circle and that’s what I got.
PT = 15, and TB = 10
Take the 15 from PT, and add the 10 from TB. Which equals 25.
PB = 25
So, 25 is your answer.
Hope this helps! ☺
Y=24x+48
24 per hour (x) plus the 48 she already made would equal a total (y).