Answer:

Step-by-step explanation:
Let's solve for C.

Step 1: Flip the equation.

Step 2: Add
to both sides.


Step 3: Divide both sides by
.


Answer:

C. $122.10
20 first hour
20+0.1*20 = 22 second hour
22+0.1*22 = 24.2 third hour
24.2+0.1*24.2 = 26.62 fourth hour
26.62+0.1*26.62 = 29.282 fifth hour
Total=$122.10
H 32 and k is 50 this is right because I had this and passed.
Answer:
i would say for the second one 2.5 and the first one about 30
Step-by-step explanation:
It would be B because she spends more than 25%