Divide them on a calculator
Try the last one; it doesn't mention anything foreign.
A- 1gb=3$ 30$+(3*gb used)= total
B- 30$+(3*10)= 60$
We can see that the diameter is 5 cm. Radius is simply half of the diameter.
5/2=2.5
The radius is 2.5 cm.
Answer:
c
Step-by-step explanation:
