Answer:
She should have about $150
Step-by-step explanation:
If you round all the numbers you get..
140-50-20+80
140-50-20=70
70+80=150
Step-by-step explanation:
the formula to calculate a circumference is

(consider x as the diameter)
so I'll be noting the circumference as C alongside the circle's ranking
a.

b.

c.

hope I helped
Answer:
22/7×9×3=22×9×3=594÷7=84.85
Answer:
50,75,and 100 there's supposed to be a 20 too but it's not there but oh well