Let the number be x
3x + 5 = 20
3x = 20 - 5
x = 15/3
x=5
Answer:
See picture attached
Step-by-step explanation:
Answer:
Step-by-step explanation:
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.
Step-by-step explanation:
Of the 28 students, 5 are female. So the probability is 5/28.