Answer:
The price of the piano is $311.69
Answer:
n=30
Step-by-step explanation:
4 15
------ = --------
8 n
using cross products
4n = 8*15
4n = 120
divide by 4
4n/4 =120/4
n = 30
It would be basically 2.12 because once you divide it your answer will be that