Answer:
97.5
Step-by-step explanation:
Cross multiply
2 * x = 2x
15 * 13 = 195
2x = 195
2x/2 = 195/2
x = 97.5
[RevyBreeze]
Answer:
12/100
Step-by-step explanation:
Answer:
C. 20.10
Step-by-step explanation:
V=4/3r^3
Answer:
32 in represents perimeter u added length times width once which would only give half of the rectangle
Step-by-step explanation:
2(3w+8+w) =32
6w+16+2w =32
8w+16 = 32
8w=16
w=2
Answer:
The expression for the total cost is x = 19.99 + 0.99n .
Step-by-step explanation:
Let us assume that the total cost be x.
As given
Sophia pays $19.99 membership fee for an online music store.
If sophia purchases n songs for $0.99 each .
Than the expression becomes
Total cost = Membership fee + Cost of n songs
x = 19.99 + 0.99n
Here n represented the number of songs.