Answer:
7 seconds per song?
Step-by-step explanation:
I can't solve it but you can enter the equation into www.quickmath.com and it will give you the answer. Hope it helps.
Answer:
10 in
Step-by-step explanation:
Old proportions:
2 x 3
New proportions
h x 15
Assuming the painting has been increased by a constant scale factor.
Where x is the unknown scale factor, and h is the height after it has been enlarged.

Rearrange second equation:

Substitute:

Answer:
A) 4
B) 13
C)17
D)34