Answer: 100c +34
Step-by-step explanation: I believe you add 88c and 12c together which simplifies the expression to 100c + 34 in total cost.
Answer:

Step-by-step explanation:
we know that
30 and one-third miles is equal to

one-third of an hour is equal to

Applying proportion

Convert to mixed number

A standard piano has 88 keys on it
What are u talking about what is the question